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A PSYCHOLOGY OF ANIMALS HAVING MEMORIES

    In this book, this "A PSYCHOLOGY OF ANIMALS HAVING MEMORIES" is also called "this book". This book, "A PSYCHOLOGY OF ANIMALS HAVING EGOS", and "A PSYCHOLOGY OF ANIMALS HAVING HABITS" are also called "These Books". These books can be looked upon as a book, and each of them can be looked upon as a chapter of the book. These books as a book are also called "PSYCHOLOGIES OF ANIMALS HAVING MEMORIES OR MORE". These books, "EXISTENCE AND LIBERTY", "DETAILS OF EXISTENCE AND LIBERTY", "A SEPARATION OF POWERS FOR EXISTENCE AND LIBERTY", and "PARTICULAR THINGS AND GENRAL THINGS" are also called "All the Books in OUR-EXISTENCE.NET" or These Books.

THINGS IN THEMSELVES AND APPEARING THINGS

THINGS IN THEMSELVES AND APPEARING THINGS

    Things excluding the time are completely divided into things in themselves and appearing things which will be explained below. That is, there are no remains or overlaps in this classification.
    Material things, material functions, bodies, bodily functions, neural systems, neural functions, neural cells, neural cells' excitements and transmissions, molecules, atoms, nuclei, neutrons, protons, electrons, universal gravitation, electrostatic force, magnetic force, vacuum, the space in itself, and so on can be called "Things in Themselves".
    Sights, sounds, smells, dizziness, tastes, pain, hotness, coldness, palpitation, dyspnea, hunger, thirst, nausea, images, ideas, and so on can be called "Appearing Things". They can also be called "Phenomena" or Mental Phenomena. However, we need to distinguish things appearing to me, things appearing to you, things which appeared in the past, things which will appear in the future, things appearing to me at present, things appearing to each of us at the then present, and so on. In using the words of "Appearing Things" and so on, we can distinguish them more easily than in using those of "Phenomena" and so on. Accordingly, sights, sounds, images, and so on are called "Appearing Things" in these books.
    Appearing things consist of things appearing on sensations and things appearing as images. Things appearing on sensations include things appearing on visual sensations, things appearing on auditory sensations. For example, a sight is a thing appearing on a visual sensation, and a sound is a thing appearing on an auditory sensation. Things occurring to me, things which are thought, expected, remembered, and imagined are included in things appearing as images. The details of appearing things will be explained in the chapter "APPEARING THINGS."
    The space in itself is included in things in themselves. The appearing space is included in appearing things. For example, in things appearing on a visual sensation with both eyes, a part of the space is appearing to me at present in front of my personal computer.
    The time in itself is included in things in themselves. The appearing time is included in appearing things. The latter is signs and words like number lines, chronologies, and so on appearing as images. However, like the time in itself exists as the frame of things in themselves, it is premised that the time in itself of appearing things which is different from the appearing time exists as the frame of appearing things. It is premised that it is in such time in itself of appearing things that a large number of things appearing to each of us at the then present continue. It is premised that the time in itself and that of appearing things are the same or overlap. Accordingly, the explanation was done earlier that things "excluding the time" are completely divided into things in themselves and appearing things.

SPATIAL AND TEMPORAL THINGS AND THEIR PROPERTIES

    That a thing {has spatial extent or is a point, a line, or a plane} can be called the thing's being "Spatial", and that a thing {has temporal extent or is a moment} can be called the thing's being "Temporal".
    While things excluding the time are completely divided into things in themselves and appearing things, things excluding space and time are completely divided into spatial and temporal things and their properties which will be explained below.
    The things which are spatial and temporal, that is, the things which {have spatial extent or are points, lines, or planes} and {have temporal extent or are moments} can be called "Spatial and Temporal Things". For example, material things, bodies, neural systems, neural cells, sights, and sounds are spatial and temporal things.
    Each spatial and temporal thing has some things which are not spatial. The things which a spatial and temporal thing has and which are not spatial can be called the "Properties" of the spatial and temporal thing, the Properties which the spatial and temporal thing has, the things which the spatial and temporal thing has as Properties, or the Properties attributed to the spatial and temporal thing. For example, universal gravitation is one of the properties which every material thing has. Excitements and transmissions are one of the properties attributed to every neural cell.
    The things which every spatial and temporal thing has as properties can be called the properties "Attributed to Every" spatial and temporal thing. Every spatial and temporal thing has spatial relative positions, temporal relative positions, qualities, quantities, spatial arrangements, temporal arrangements, and their changes as properties, and so they are the properties attributed to every spatial and temporal thing. Moreover, for example, universal gravitation is one of the properties attributed to every material thing, and excitement and transmission is one of the properties attributed to every neural cell.
    Spatial positions and temporal positions are only relative. When the relativity do not need to be emphasized, spatial relative positions are called "Spatial Positions", and temporal relative positions are called "Temporal Positions" in these books.
    Moreover, most of the properties of spatial and temporal things have some things which are not spatial. For example, universal gravitation, which is one of the properties attributed to every material thing, has direction and quantity. Excitement and transmission, which is one of the properties attributed to every neural cell, has frequency and duration. The things which a property of a spatial and temporal thing has and which are not spatial can be called the Properties of the property, the Properties which the property has, the things which the property has as Properties, or the Properties attributed to the property. For example, universal gravitation has direction and quantity as properties of the property. A neural cell's excitement and transmission has frequency and duration as properties of the property. Moreover, each of the properties (1) of a spatial and temporal thing often has some properties (2), and each of the properties (2) sometimes have some properties (3), and the same are repeated. Then, (1)(2)(3) and so on can be called First Properties, Second Properties, Third Properties, and so on. For example, universal gravitation is a first property, and its direction and quantity are second properties. A neural cell's excitement and transmission is a first property, and its frequency and duration are second properties. When spatial and temporal things are looked over, it turns out that most first properties have some second properties. It is often unclear whether a property is a first one, a second one, or so of a spatial and temporal thing. For example, as for the universal gravitation of a material thing, it is also thinkable that its mass is one of its first properties, that its universal gravitation is one of the first properties of its mass, and that its universal gravitation is one of its second properties. However, in most cases in both our daily life and science, it does not matter whether a property is a first, second, or so one. Accordingly, without serious problems, first properties, second ones, third ones, and so on can be called Properties simply.
    Things in themselves and appearing things include their own spatial and temporal things and their own properties respectively.

spatial and temporal thingsproperties
things in themselvesspatial and temporal things in themselvesproperties of spatial and temporal things in themselves
appearing thingsappearing spatial and temporal thingsappearing properties


    The spatial and temporal things which are included in things in themselves can be called Spatial and Temporal Things in Themselves. Material things, bodies, neural systems, and neural cells are included in spatial and temporal things in themselves.
    The properties of spatial temporal things which are included in things in themselves can be called the Properties of spatial and temporal things in Themselves or Properties in Themselves.
    Every spatial and temporal thing in itself has spatial positions, temporal positions, qualities, quantities, spatial arrangements, temporal arrangements, their changes as properties in themselves. They are properties in themselves attributed to every spatial and temporal thing in itself. Moreover, spatial and temporal things in themselves excluding vacuums have mass, universal gravitation, velocity, acceleration, potential energy, kinetic energy, and so on as properties in themselves. Material functions, bodily functions, neural functions, and neural cells' excitements and transmissions are included in properties in themselves.
    Neither the space in itself nor the time in itself is included in spatial temporal things in themselves or in their properties. However, spatial and temporal positions and durations, spatial and temporal arrangements, and their changes are included in the properties of spatial and temporal things in themselves.
    The spatial and temporal things which are included in appearing things can be called Appearing Spatial and Temporal Things. For example, sights, sounds, smells, dizziness, tastes, pain, hotness, coldness, palpitation, dyspnea, nausea, images, and ideas are appearing spatial and temporal things. It turns out that the example enumerated earlier was an example of appearing spatial and temporal things. However, appearing properties, which will explained below, are included in appearing things.
    The properties of spatial temporal things which are included in appearing things can be called the Properties of Appearing Spatial and Temporal Things or Appearing Properties. Every appearing spatial and temporal thing has spatial positions, temporal positions, qualities, quantities, spatial arrangements, temporal arrangements, and their changes as appearing properties. They are appearing properties attributed to every appearing spatial and temporal thing. It turns out that they are not only properties in themselves attributed to every spatial and temporal thing in itself but also appearing properties attributed to every appearing spatial and temporal thing. Moreover, for example, colors as qualities and brightness as a quantity are included in properties appearing on a visual sensation, high-low as a quality and loudness as a quantity are included in properties appearing on an auditory sensation, and a spatial arrangement like ears→eyebrows→eyes→nose→mouth of another person's face in a sight is included in properties appearing on a visual sensation. Colors and brightness are appearing properties attributed to every spatial and temporal thing appearing on a visual sensation, and high-low and loudness are appearing properties attributed to every spatial and temporal thing appearing on an auditory sensation.
    In such ways, not only appearing spatial and temporal things but also their properties appear. For example, colors and brightness appear on a visual sensation, and high-low and loudness appear on an auditory sensation. Accordingly, the words of "appearing properties" will be used more often than those of "properties of appearing spatial and temporal things" from now on.

WHOLES AND PARTS

    The space has the spatial whole and parts. The time has the temporal whole and parts. For example, the time has the eternity as the temporal whole and has the past, the present, and the future as temporal parts. The whole of the space and that of the time in a true sense are endless. However, a part of them can also be called the whole. For example, a day has the time for 24 hours as the temporal whole and has the morning and the afternoon as temporal parts.
    A spatial and temporal thing has the spatial whole, spatial parts, the temporal whole, and temporal parts. For example, a neural cell has its cellular membrane and its contents as the spatial whole and has a neural body, a lot of dendrites, and an axon diverging into a lot of small ones at its terminal as spatial parts. Things appearing on a visual sensation have the continuity from awakening to falling asleep as the temporal whole and has day sights and night ones as temporal parts.
    While a spatial and temporal thing has the spatial whole and parts and the temporal whole and parts, a property has the whole and parts of its own which are different from them. The latter are not as clear as the former. For example, excitement and transmission which is a property of neural cells has postsynaptic transmission, excitement, presynaptic transmission, and pause as parts of a property, and they are not as clear as a neural body, dendrites, and an axon which are spatial parts of a neural cell.

the wholeparts
spacethe spatial wholespatial parts
timethe temporal wholetemporal parts
a spatial and temporal thingthe spatial whole
the temporal whole
spatial parts
temporal parts
a propertythe whole of the propertyparts of the property


    However, sentences will be complicated if such wholes and parts are always distinguished and specified. Accordingly, unless necessary, the simple words of the whole or parts are used in these books.

THINGS

    As will be explained in the chapter "MEMORIES", after some properties have been grasped and parts which have some properties have been cut, individual images' sources are generated. Accordingly, everything appearing as an image already has some properties. Accordingly, animals including human beings can perceive and recognize only what already have some properties. Accordingly, every common noun designates a thing which already has some properties. For example, the word "water" has designated a thing which have being clear and being fluid as properties since before the discovery of the elements of hydrogen and oxygen. Accordingly, the things including things in themselves, appearing things, spatial and temporal things, properties, first properties, second properties, and so on which already have some properties can be called "Things". For example, a first property which already has some second properties can be called a property. Things include things in themselves, appearing things, spatial and temporal things, and properties which were explained earlier.
    Moreover, everything has some properties without which it is not looked upon that thing any longer in our daily life and science. For example, a neural cell which does not have the ability to excite or transmit as a property is not looked upon as a neural cell any longer. The properties without which a thing is not looked upon as that thing any longer in our daily life and science can be called the "Necessary" Properties of or for the thing. For example, the necessary properties of a neural cell are being enclosed in cellular membrane, containing some genes, consisting spatially of a neural body, a lot of dendrites, and an axon diverging into a lot of small ones at its terminal, and having the ability to excite and transmit. However, being a cell, having a neural body, a lot of dendrites, and an axon, and having the ability to excite and transmit are also the necessary properties of a neural cell. In such a way, necessary properties can be represented in various words. Making a dictionary is representing the necessary properties of things in various words. Accordingly, there are various dictionaries.
    When a thing's necessary properties are caused, the thing has already been caused or generated. When a thing's necessary properties continue, the thing continues. That a thing keeps its necessary properties and gets or loses some other properties is looked upon as the thing's "Changing" or being changed. By definition, such changing is included in continuing. Practically, most things are usually changing. For example, even stone or rock is being eroded little by little.
    A thing's losing some of its necessary properties is looked upon as the thing's being "Changed into" another thing or "Disappearing". For example, a neural cell's losing its ability to excite and transmit is looked upon as the neural cell's being changed into another kind of cell or into a useless cell, or dying.
    When a thing causes some other things, it does so directly or indirectly, often indirectly. For example, it is directly that plants' photosynthesis causes oxygen. It is indirectly through digestion, absorption, synthesis of protein, and so on that water and food cause animal bodies. However, if the words "directly or indirectly" were always used, sentences would be complicated. Accordingly, unless necessary, such words will be omitted in these books.

MATEIALS AND THEIR FUNCTIONS

MATERIAL THINGS

    The spatial and temporal things in themselves which consist of some particles like molecules, ions, atoms, neutrons, protons, electrons, and so on can be called "Material Things". For example, spatial and temporal things in themselves which consist of particles like molecules, ions, and so on and which have being enclosed in cellular membrane, containing genes, consisting spatially of a neural body, a lot of dendrites, an axon diverging into a lot of small ones at its terminal, and having the ability to excite and transmit as necessary properties can be called neural cells, and they are included in material things.
    Genes, cellular membranes, cells, neural cells, neural systems, bodies, and so on also consist of particles like molecules, ions, and so on. Though they are described as living, having life, or so, they are included in material things. Simply, they are only material things. In bodies, though we look upon neural systems as special things which have mind, spirit, or so, they are included in bodies and in material things.
    Vacuums are also penetrated by some particles like photons. Vacuums have spatial positions and temporal positions as properties. Also about the properties like mass, universal gravitation, potential energy, kinetic energy, and so on, vacuums can be looked upon as having those properties whose quantities are zero ones. In contrast, the space cannot be looked upon as having such properties. Vacuums are different from the space. Accordingly, vacuums are included in material things in these books. When material things are defined in such a way, they are the same as spatial and temporal things in themselves.
    Material things have not only spatial positions, temporal positions, qualities, quantities, spatial arrangements, temporal arrangements, and their changes but also mass, universal gravitation, velocity, acceleration, potential energy, kinetic energy, and so on as properties. They are properties attributed to every material thing.

FUNCTIONS

    As was defined earlier, when a material thing has some properties and some of the properties have some properties, the former properties can be called first properties, and the latter can be called second properties.
    Every material thing has some first properties (F) which have the following second properties of (a) and (b).

(a) The whole or part of a property (F) is caused or changed directly or indirectly by the wholes or parts of some other material things or properties' being caused or changed.
(b) The whole or part of a property (F)'s being caused or changed causes or changes the wholes or parts of some other material things or properties directly or indirectly.

    The first properties (F) of a material thing which have the second properties of (a) and (b) can be called the material thing's "Functions", the Functions which the material thing has, the things which the material thing has as Functions, the Functions attributed to the material thing, or Functions or Material Functions simply.
    This is a strict definition. The second properties of (a) and (b) can be simplified a little more as follows.
    As was explained earlier, when a thing causes or changes some other things, it do so directly or indirectly, often indirectly. However, if the words "directly or indirectly" were always used, sentences would be complicated. Accordingly, the words are usually omitted in these books, and they are omitted here, too.
    In addition, unless anything is caused or changed, it does not causes or changes any other things, and so strictly, the words "by … being caused or changed" and "…'s being caused or changed" are necessary. However, because such a representation will complicate sentences, the words are usually omitted in these books and are omitted here, too.
    Then, (a) and (b) are simplified as follows.

(a') The whole or part of a property (F) is caused or changed by the wholes or parts of some other material things or properties.
(b') The whole or part of a property (F) causes or changes the wholes or parts of some other material things or properties.

    Simply, the first properties (F) of a material thing which have the second properties of (a') and (b') can be called the material thing's Functions, the Functions which the material thing has, the things which the material thing has as a Functions, the Functions attributed to the material thing, or Functions or Material Functions simply.
    Moreover, if the words of "being caused or changed" and "causing or changing" were always used, sentences would be complicated. Accordingly, being caused or changed and causing or changing are also called Being Caused and Causing in these books. Then, (a)(b) are more simplified as follows.

(a'') The whole or part of a property (F) is caused by the wholes or parts of some other material things or properties.
(b'') The whole or part of a property (F) causes the wholes or parts of some other material things or properties.

    Every material thing has some functions. Every material thing has universal gravitation as a property. The whole of its universal gravitation is changed by the wholes of all the other material things', and the whole of its universal gravitation changes the whole of all the other material things'. Accordingly, every material thing has universal gravitation as a function, and it is included in functions. Every neural cell has excitement and transmission as a property. The whole or part of its excitement and transmission are caused by the whole of some other neural cells' or sensory cells', and the whole of its excitement and transmission causes the wholes or parts of some other neural cells', muscle cells' excitement and contraction, or secretory cells' excitement and secretion. Accordingly, every neural cell has excitement and transmission as a function, and they are included in functions.
    The functions which material things, bodies, neural systems, or so have can be called material functions, bodily functions, neural functions, or so. Functions and material functions are the same. (Material) functions include bodily functions and neural functions. Human functions include walking upright on two legs, running alike, doing the crawl, the butterfly, and so on, speaking words, writing words, calculating, playing, studying, working, and interpersonal functions.
    Again, the whole or part of a function is caused or changed by the wholes or parts of some other material things or properties and causes or changes the wholes or parts of some other material things and properties. After all, the other material things and functions by the wholes or parts of which the whole or part of a function is caused or changed directly or indirectly are endless, and we cannot enumerate all of them. For example, when we enumerate the other material things and functions by the wholes or parts of which the whole or part of a neural cell's excitement and transmission is caused, they include some other neural cells and sensory cells' excitement and transmission, photons, sound waves, physical or chemical stimuli, and what cause or change them, and so they are endless. In addition, the other material things and functions the wholes or parts of which a function causes or changes directly or indirectly are endless, and we cannot enumerate all of them. For example, when we enumerate the other material things and functions the wholes or parts of which the whole of a neural cell's excitement and transmission causes or changes, they include some other neural cells' excitement and transmission, muscle cells' excitement and contraction, secretory cells' excitement and secretion, sensations, memories, voluntary movements, involuntary movements, and what are caused or changed by them, and so they are endless. In our daily life and science, the self-evident of such endless things are omitted. Also in these books, the self-evident have been omitted and will be omitted. For example, when neural cells' excitements and transmissions are explained, the supply of oxygen and glucose is omitted as self-evident.
    As was explained earlier, every property has the whole and parts of its own, and functions are included in properties. Accordingly every function has the whole and parts of its own.

NEURAL CELLS' EXCITEMENTS AND TRANSMISSIONS

    A neural cell consists spatially of a neural body, a lot of dendrites, and an axon diverging into a lot of small ones at its terminal.
    Sensory cells include not only sensory cells in skins, bones, striated muscles, mucous membranes, and so on in a narrow sense but also visual cells, auditory cells, taste cells, and so on in these books.
    Muscle cells include striated muscle cells, smooth muscle cells, and cardiac muscle cells. Secretory cells include endocrine cells and exocrine cells.
    A neural cell stretches an "Axon" long, the axon diverges one after another into a lot of small ones, and many "Axonal Terminals" come most close to a lot of parts of the cellular membranes of some other neural cells, muscle cells, or secretory cells. In this way, one axon diverges one after another into a lot of small ones, and so one neural cell comes close to not always one but sometimes more than one neural cell, muscle cell, or secretory cell.
    Though a sensory cell does not have such long processes as a neural cell has as an axon, a sensory cell stretches some processes, such processes diverge into a lot of small ones, and many terminals come most close to a lot of parts of the cellular membranes of some neural cells. Such a process of a sensory cell is also called an Axon, and such terminals are also called Axonal Terminals, as a neural cell's are called so, in these books.
    An axonal terminal of the neural cell (1) which stretches its axon, a part of the cellular membranes of the neural cell (2) which (1) comes close to, and the clefts between them can be called a "Synapse", and such a cleft can be called a "Synaptic Cleft". By the way, synaptic clefts are not full of air but full of intercellular fluid. Of course, the inner part of a cell is full of intracellular fluid.
    In each of such synapses, when many neurotransmitters are released from the axonal terminal of (1) to the synaptic cleft, they bind to a lot of receptors on the cellular membrane of (2).
    In such ways, a neural cell or a sensory cell comes close to some other neural cells, muscle cells, or secretory cells and forms a lot of synapses. That can be called a neural cell or a sensory cell's "Joining" to some other neural cells, muscle cells, or secretory cells. In addition, a neural cell, a muscle cell, or a secretory cell has some other neural cells or sensory cells come close to itself and has them form a lot of synapses. That can be called a neural cell, a muscle cell, or a secretory cell's "Being Joined" to by some other neural cells or sensory cells. After all, a neural cell is joined to by some other neural cells or sensory cells, and joins to some other neural cells, muscle cells, or secretory cells.
    Some other neural cells or sensory cells which a neural cell is joined to by can be called the neural cell's "Presynaptic Cells", and some other neural cells, muscle cells, or secretory cells which a neural cell join to can be called the neural cell's "Postsynaptic Cells". After all, a neural cell is joined to by some presynaptic cells, and joins to some postsynaptic cells. In such a way, one neural cell is joined to by not always one but sometimes more than one presynaptic cell and joins to not always one but sometimes more than one postsynaptic cell.
    The above is when a neural cell is paid attention to. In contrast, the following is when a synapse is paid attention to.
    In each of a lot of such synapses, the cells which join to can be called "Presynaptic" Cells, and their material things, functions, or so can be called Presynaptic Material Things, Presynaptic Functions, or so, and the cells which are joined to can be called "Postsynaptic" Cells, and its material things, functions, or so can be called "Postsynaptic" Material Things, Postsynaptic Functions, or so.
    In every cell including neural cell, almost constantly, making its cellular membrane a border, the voltage where the intracellular part is comparatively negative and the extracellular part is comparatively positive is generated.
    Every neural cell (N) has the following function [1]-[4].

[1]Postsynaptic Transmission
    The neurotransmitters which are released from the axonal terminals of (N)'s presynaptic cells into the synaptic clefts bind with the receptors on (N)'s membrane, (N)'s intra-extracellular voltages changes, and such voltages are summed including subtraction. This can be called (N)'s "Postsynaptic Transmission" or "Being Transmitted" to by its presynaptic cells.

[1-1]Exceeding of the Threshold
    Some sums of (N)'s intra-extracellular voltages exceed a certain threshold toward their decrease and reversal. This can be called (N)'s "Exceeding of the Threshold" or Exceeding the Threshold.

[1-2]Misfire
    Not a sum of the voltages exceeds the threshold. This can be called (N)'s "Misfire" or Misfiring.

[2]Excitement
    When the exceeding of the threshold [1-1] in [1] is caused, the voltages' changes exceeding the threshold spread around the neural body and the axon as if they burst. This can be called (N)'s "Excitement", Exciting, or being Excited.

[3]Presynaptic Transmission
    The voltages' changes exceeding the threshold reach the axonal terminals of (N), and the neurotransmitters are released from the axonal terminals into the synaptic clefts between (N) and its postsynaptic cells. This can be called (N)'s "Presynaptic Transmission" or "Transmitting" to its postsynaptic cells.
(Moreover, [1]-[4] can be caused in each of (N)'s postsynaptic cells, [1]-[4] can be caused in each of its postsynaptic cells, and the same can be repeated.)

[4]Pause
    Only for milliseconds(thousandths of a second), (N) is not able to excite, but it is able to after milliseconds. That can be called (N)'s "Pause" or "Pausing".

    The above [1-1][2][3][4] can be called a neural cell's "Excitement and Transmission" or "Exciting and Transmitting".
    Let the presynaptic cells of a neural cell (N) be (A),(B)…, and let its postsynaptic cells be (X),(Y)…. The totality of (A)(B)…'s [3]s and (N)'s [1]s can be called the transmission from (A),(B)… to (N), and its being caused can be called (A),(B)…'s transmitting to (N). The totality of (N)'s [3]s and (X),(Y)…'s [1]s can be called the transmission from (N) to (X),(Y)…, and its being caused can be called (N)'s transmitting to (X),(Y)…. Even if (A),(B)… transmit to (N), (N) does not always excite and transmit. When (N)'s [1]s end up with misfire [1-2], (N) does not excite or transmit. In contrast, when not [1-2] but exceeding of threshold [1-1] is caused, (N) always excites and transmits, except that something unusual happen like its axon is cut, like its neurotransmitters are depleted or degenerated irreversibly, and so on.
    A sensory cell is excited by some photons, sound waves, physical and chemical stimuli, and so on and transmits like a neural cell. This can be called a Sensory Cell's Excitement and Transmission or Exciting and Transmitting.
    A muscle cell excites like a neural cell, transmits to some other muscle cells a bit like a neural cell, and contracts. This can be called a Muscle Cell's Excitement and Contraction or Exciting and Contracting.
    A secretory cell excites like a neural cell, transmits to some other secretory cells a bit like a neural cell, and secretes hormones, mucus, enzymes, and so on. This can be called a Secretory Cell's Excitement and Secretion or Exciting and Secreting.
    When the properties which are common to all of them are explained, neural cells, sensory cells, a muscle cells, and secretory cells are explained as neural cells, and neural cells' excitements and transmissions, sensory cells' excitements and transmissions, muscle cells' excitements and contractions, and secretory cells' excitements and secretions are explained as Neural Cells' Excitements and Transmissions in these books.
    In addition, the words of "excitement and transmission", "transmission", and so on designate concrete and countable functions which each neural cell or neural group has. For example, if there are a hundred neural cells, there can be a hundred or less of excitements and transmissions. Accordingly, those words are used as countable nouns in these books.
    After all, a neural cell can be transmitted to by not always one but sometimes more than one presynaptic cell and can transmit to not always one but sometimes more than one postsynaptic cell.
    The whole [1-1][2][3][4] or the part [1-2] of a neural cell's excitement and transmission is caused by the parts [3] of some presynaptic cells' excitements and transmissions, and the part [3] of a neural cell's excitement and transmission causes the wholes [1-1][2][3][4] or parts [1-2] of some postsynaptic cells' excitements and transmissions. Accordingly, neural cells' excitements and transmissions are functions.
    A neural cell's excitement and transmission as a function has each of [1-1][1-2][2][3][4] as a part of a function. A neural cell's excitement and transmission as a function consists of [1-1][1-2][2][3][4] as parts of a function.
    Like whether a neural cell excites and transmits or ends up with misfire [1-2], some functions are alternative. In contrast, some functions like universal gravitation, potential energy, kinetic energy, and so on are not alternative.
    In some functions, only a part is sometimes caused, like a neural cell sometimes ends up with misfire[1-2]. In addition, it is probable that none of the other material things or functions which the whole can cause are caused only by a part's being caused. For example, in neural cells' excitements and transmissions, no postsynaptic cells' excitements and transmissions are caused only by misfires' being caused.
    Not only the whole [1-1][2][3][4] but also, at least, each part of [2][3] is a function. That is because, [2] is caused by [1-1], [2] causes [3], and [3] causes [1-1] or [1-2] of some other postsynaptic cells. In such a way, in some functions, some parts are functions, too.
    When the exceeding of the threshold [1-1] is caused, the following [2][3][4] are caused, and the whole of the excitement and transmission is caused. Even if a neural cell is transmitted to by some other postsynaptic cells, when [1-1] is not caused, the following parts are not caused, the whole is not caused, and it ends up with misfire[1-2]. If its axon was cut or if its neurotransmitters were depleted or degenerated irreversibly, its presynaptic transmission[3] would not be caused even if [1-1] is caused. However, the neural cells which do not have any ability to transmit in such a way do not satisfy the necessary properties of neural cells and can no longer be looked upon as neural cells.
    The above [1-1][2][3][4] is one excitement and transmission continuing for milliseconds (thousandths of a second). This can be called a neural cell's "One (Super-short-term) Excitement and Transmission" or a neural cell's Exciting and Transmitting Once (for Super-short time). Practically, once it is caused, it is repeated at a certain frequency of hundreds times a second continually for seconds. Such a repetition can be called a neural cell's "Short-term (Continual) Repetition" of excitement and transmission or "Repeating (Continually) for Short Time" excitement and transmission. However, such a repetition can also be called a neural cell's Excitement and Transmission or Exciting and Transmitting, and the words of excitement and transmission usually designate such a short time continual repetition in these books. Short-term continual repetitions need to be clearly distinguished from long-term intermittent repetitions as will be defined later.

NECESSARY FUNCTIONS, OBJECTS, AND PARTS

    As was defined earlier, the properties without which a thing is not looked upon as that thing can be called the Necessary Properties of or for the thing. For example, an excitement and transmission is a necessary property of a neural cell, and a neural cell which cannot excite and transmit cannot be looked upon as a neural cell. Moreover, every material thing has some functions as necessary properties. The functions which a material thing has as necessary properties can be called the Necessary Functions of or for the material thing. For example, every neural cell has excitement and transmission as a necessary function.
    Moreover, a function (first property) has a necessary property (second property) of its wholes or parts' causing or changing the wholes or parts of some other material things or functions. For example, a neural cell's excitement and transmission has a necessary property of its whole's causing the wholes or parts of some postsynaptic cells' excitements and transmissions. In such a function's necessary property, some other material things or functions can be called the "Necessary Objects" of the function. For example, The necessary objects of a neural cell's excitement and transmission are postsynaptic cells' excitements and transmissions.
    Moreover, in a function, there is a part without which none of its necessary objects are caused or changed. Such a part can be called the Necessary Part of the Function. For example, if a neural cell's [3] is not caused, its postsynaptic cells' excitements and transmissions are not caused. Accordingly, the presynaptic transmission [3] is the necessary Part of a neural cell's excitement and transmission.
    By the way, a function's necessary part and its whole are sometimes the same. For example, they are the same in universal gravitation.

DECISIVE PARTS OF FUNCTIONS

    However, practically and usually, when a certain part of a function is caused or changed, its necessary part and its whole are also caused or changed, and the wholes or parts of its necessary objects are caused or changed. For example, in a neural cell's excitement and transmission, when its exceeding of the threshold [1-1] is caused, its presynaptic transmission [3] and its whole are also caused, and the wholes or parts of its postsynaptic cells' excitements and transmissions are caused. Such a certain part can be called the "decisive" part of the function. For example, in a neural cell's excitement and transmission, the exceeding of the threshold [1-1] is its decisive part, and presynaptic transmission [3] is its necessary part. Like this example, they are not always the same.
    The whole, decisive part, and necessary part of a function are sometimes the same. For example, they are so in universal gravitation.

FUNCTIONS' FUNCTIONING

    In a function, that its necessary part is not caused or changed, practically that its decisive part is not caused or changed, and as a result that the wholes or parts of its necessary objects are not caused or changed cannot be called the function's functioning. For example, in a neural cell's excitement and transmission, that its presynaptic transmission [3] is not caused, practically that its exceeding of the threshold [1-1] is not caused, and as a result that the wholes or parts of its postsynaptic cells' excitements and transmissions are not caused cannot called the neural cell's excitement and transmission's functioning. Accordingly, that the necessary part of a function is caused or changed, practically that its decisive part is caused or changed, and as a result that the wholes or parts of its necessary objects are caused or changed can be called the function's "Functioning to" its necessary objects. For example, in a neural cell's excitement and transmission, that its presynaptic transmission [3] is caused, practically that its exceeding of threshold [1-1] is caused, and as a result that the wholes or parts of its postsynaptic cells' excitements and transmissions are caused can be called the neural cell's excitement and transmission's functioning to its postsynaptic cells' excitements and transmissions. In addition, when the necessary objects are self-evident, it can be called a function's Functioning simply. For example, a neural cell's excitement and transmission's functioning to its postsynaptic cell's can be called the neural cell's excitement and transmission's functioning simply. Moreover, a function's functioning is also called the function's Being Caused in these books. That is, the words of a function's being caused designate its functioning in these books. In addition, when the necessary functions which a material thing has is self-evident, it can be called merely a Material Thing's Functioning to some other Material Things or a Material Thing's Functioning simply. For example, because it is self-evident that a neural sell has its excitement and transmission as a necessary function, a neural cell's excitement and transmission's functioning to its postsynaptic cells' excitements and transmissions can be called the neural cell's functioning to its postsynaptic cells or the neural cell's functioning simply.

MATERIAL THINGS AND THEIR FUNCTIONS

    A material thing and the properties including functions which the material thing has are also called the "Material Thing and its Material Functions", the Material Thing and its Functions, or the Material in these books. A body and the properties including functions which the body has, a neural system and the properties including functions which the neural system has, or so are also called the "Body and its Bodily Functions", or the Body and its Functions, or the Body, the "Neural System and its Neural Functions", or the Neural System and its Functions, or the Neural System, or so in these books. That is, the words of material things, bodies, neural systems, and so on sometimes imply their properties including functions in these books.
    When the above have been defined so, the words "material things and their functions" designate all things in themselves excluding space and time.
    A material thing's being caused or being changed is also called the material thing's Being, Existing in these books. As was defined earlier, a function's causing or changing the wholes or parts of its necessary objects can be called the function's Functioning. A material thing's existing and its necessary functions' functioning appropriately is also called the material thing and its functions' Existing and Functioning or the material thing's Existing and Functioning in these books. The same usage is used for a body and its bodily functions, neural system and its neural functions, and so on. For example, though the following is a rough description, a neural cell's being generated, maturing, and exciting and transmitting when it is transmitted to are the neural cell's existing and functioning.

POSSIBILITIES

    The possibility of a material thing or a function's existing or functioning can be called the Possibility of the material thing or the function.
    The possibility of some material things or functions' existing or functioning contains that of some other material things and functions' existing and functioning. For example, the possibility of a neural cell's exciting and transmitting contains that of some presynaptic cells' exciting and transmitting, the supply of oxygen, glucose, and so on's existing and functioning.

SITUATIONS AND THE NATURE

    Living things, living functions, animals, animal functions, individuals, individual functions, human beings, human functions, and so on will be explained closely later. Before they are explained, the nature and situations will be explained.
    As was explained above, the possibility of some material things or some functions' existing or functioning contains that of some other material things and functions' existing and functioning. Such other material things and functions can be called the "Situation" of or for them. In addition, the situation for some living things or some living functions can be called the "Nature" of or for them. For example, the sun, the earth, sunlight, oxygen, carbon dioxide, the photosynthesis by plants, the food chain from microorganisms and plants to some other animals, and so on are the nature for a species of animals. The nature of some living things or living functions contains some other living things and living functions. For example, the nature for human beings includes a lot of other animals, plants, microorganisms, and their functions. In addition, the nature for some of a species of living things includes some other living things of the same species and their functions. For example, the nature for human individual includes some other human beings and their interpersonal functions.
    However, it is impossible to enumerate all the material things and functions contained in the nature or a situation. For example, when we enumerate all the material things and functions contained in a neural cell's excitement and transmission's nature, it contains some presynaptic cells' excitements and transmissions, the supply of oxygen, glucose, and so on, the palpitation of the heart, the respiration, the digestion and absorption of food, the chain of food, and so on, and they are endless.
    In addition, it is impossible to enumerate all the material things and functions that a material thing or a function causes or changes. For example, when we enumerate the material things and functions which a neural cell's excitement and transmission causes or changes, they include some postsynaptic cells' excitements and transmissions, the consumption of oxygen, glucose, and so on, sensations, memories, involuntary movements, voluntary movements, interpersonal functions, other persons' interpersonal functions, home, society, the nature for a species of human beings, and so on, and they are endless.
    Accordingly, in our daily life and science, out of them, those which are not self-evident are enumerated, and the others are omitted. All the books in OUR-EXISTENCE.NET have done and will do the same. For example, the supply or consumption of oxygen, glucose, and so on, the palpitation of the heart, the respiration, the digestion and absorption of food, the chain of food, and so on will be omitted when we explain neural cells' excitements and transmissions or neural functions. All the same, if they did not exist or function, neural cells, systems, and functions could not exist or function.

ABILITIES

    In contrast to possibility, we can distinguish the possibility of a material thing or a function's existing or functioning which it has as a property, that is, which is intrinsic to it. It can be called the "Ability" or "Capability" for the material thing or the function to exist or function, the Ability or Capability of the material thing or the function, the Ability or Capability which the material thing or the function has, the thing which the material thing or the function has as an Ability or a Capability, the Ability or Capability attributed to the material thing or the function, or the "Activity" of the material thing or the function. Because a material thing or a function's ability is the possibility which it has as a property and which is intrinsic to it, it does not contain the abilities or possibility of any other material things or functions. For example, the ability for a neural cell to excite and transmit is having a lot of receptors in its cellular membrane, stretching its dendrites and axon, joining tightly to some postsynaptic cells, releasing a lot of neurotransmitters, and so on. It does not contain the ability for its presynaptic cells to excite and transmit, the ability for the body to supply oxygen and glucose, or so.
    The abilities of human functions include the ability to walk upright on two legs, to run alike, to do the crawl, the butterfly, and so on, to speak words, to write words, to think, to memorize, to calculate, to play, to study, to work, and that of interpersonal functions.
    The increase of the ability of a material thing or a function can be called the "Activation" of the material thing or the function or the material thing or the function's being Activated.
    When the main necessary function which a material thing has is self-evident, the ability, activity, activation, or so of the function can be called those of the material thing. For example, the ability (activity) of a neural cell's excitement and transmission can be called the ability (activity) of the neural cell.

ACTIVITIES OF NEURAL CELLS

    A little more closely, the activity of a neural cell is having a lot of activated receptors in its cellular membrane, stretching its dendrites and an axon, joining tightly to some postsynaptic cells, releasing a lot of activated neurotransmitters, and so on. In this way, not only neural cells but also neurotransmitters and receptors have their activities. Their activities are the abilities to change the intra-extracellular voltage when they are bound.
    A neural cell's activity is decreased temporarily for seconds by the short-term continual repetition which was explained earlier, that is, simply, excitement and transmission. However, the activity is increased by the short-term continuous repetition's being repeated intermittently for the long time from seconds to years. In contrast, the activity is decreased without such repetition. Those are the substance of the importance of repetition in memory which is experienced in our daily life and science. Such a long-term intermittent repetition of short-term continuous repetition can be called a neural cell's excitement and transmission's "Long-Term Intermittent Repetition" or Being Repeated intermittently for a long time. A neural cell's activity is increased by such repetition and is decreased by little or no repetition. Mainly, such repetition increases the ability of memory as will be explained later and the habits as will be explained in "A PSYCHOLOGY OF ANIMALS HAVING HABITS".

PROMOTIONS⇔RESTRAINTS

    The words of "excitement and transmission", "transmission", "activity", and "activation" explained earlier, "promotion" and "restraint" which will be explained below, and so on designate concrete and countable functions which each neural cell, neural group, or so has. For example, if there are ten presynaptic cells, there can be ten or less promotions, restraints, or promotions and restraints for a neural cell, and it is a problem in the third case which is larger, the product of promoting voltage multiplied by the number of promotions or that of restraining voltage multiplied by the number of restraints. Accordingly, they are used as countable nouns in these books.
    By the whole or part of a function [P]'s being caused or changed, when the possibility that the wholes or parts of some other material things or functions are caused or changed gets larger, the function [P] can be called the "Promotion", Prompt, Promoting Function, or Prompting Function for the other material things or functions or the function [P]'s Promoting or Prompting the other material things or functions.
    In contrast to promotions, by the whole or part of a function [R]'s being caused or changed, when the possibility that the wholes or parts of some other material things or functions are caused or changed gets smaller, the function [R] can be called the "Restraint" or Restraining Function for the other material things or functions or the function [R]'s Restraining the other material things or functions.
    We often see promotions and restraints in interpersonal relations and the society. For example 1, some violence and force can restrain human existence and functions. That is a kind of violation of liberal right. However, by restraining the violence which can restrain human existence and functions, some force can prevent them from being restrained. That is a kind of protection of liberal right. For example 2, some power can promote human existence and functions by supplying water and food, medicine, information, and so on. That is a kind of security of social right. For example 3, in each animal body, when a group of endocrine secretory cells secretes a kind of hormone exceedingly, another group secretes another kind of hormone which restrains its secretion. For example 4, also in each neural system, there are promoting transmissions and restraining ones, as will be explained below.
    When a neural cell's transmission [PT] promotes its postsynaptic cells' excitements and transmissions through promoting the exceeding of the threshold, [PT] can be called the Promoting Transmission, Promotion, Prompting Transmission, or Prompt for its postsynaptic cells or the neural cell's Promoting or Prompting its postsynaptic cells.
    In contrast to promoting transmissions, when a neural cell's transmission [RT] restrains its postsynaptic cells' excitements and transmissions through restraining the exceeding of the threshold, [RT] can be called the Restraining Transmission or Restraint for its postsynaptic cells or the neural cell's Restraining its postsynaptic cells.
    The neural cells' transmissions which release GABA's as neurotransmitters are restraining transmissions, and most of the others are promoting transmissions. Practically, because one neural cell releases only one kind of neurotransmitters, neural cells can be divided clearly into promoting ones and restraining ones.
    A neural cell is often joined to by more than one presynaptic cell and sometimes gets a mixture of promoting and restraining transmissions. Usually in such a case, when a neural cell has got more promoting ones, it excites and transmits, and when it has got more restraining ones, it does not excite or transmit. However, it depends on the total sum of the voltages.
    The restraints in neural systems are important for pain's reduction, sleep, and rest.

FUNCTIONS' STOPS

    In contrast to a function's functioning, a function's not functioning, that is, its necessary part's not being caused or changed can be called the function or the material thing's "Stop" or Stopping. A function's stop includes that its necessary part is not caused and that some other parts are caused. Of course, it includes that no parts are caused. For example, a neural cell's stop includes that its postsynaptic transmission [1] is caused but that its presynaptic transmission [3] is not caused, that is, that its misfire [1-2] is caused. Of course, it include that even its misfire [1-2] is not caused.
    Functions' stops, above all, neural cells' stops are very important. As will be explained in the chapters below, because some of the actually joining neural cells in a neural group excite and transmit and the others stop, it is premised that the subtle quantities in sights, sounds, pain, and so on appears. If all the neural cells in a neural group either excited and transmitted or stopped, sights would be completely white or black in all the visual field, sounds would be piercingly loud or deadly silent in all the high-low, and the pain would be terribly severe or boringly senseless in all the skins, bones, striated muscles, and tendon. In addition, because some of the actually joining neural cells in a neural group excite and transmit and the others stop, it is premised that what is called form or shape appears. For example, so that a tree can appear on a visual sensation, the neural cells which transmit the sky need to excite and transmit at the highest density, those which transmit the parts of the tree which get sunlight need to at higher density, and those which transmit its shadow need to at lower density.
    In such a way, most functions' stops can be looked upon as functions. Functions' stops which are looked upon as functions are included in functions in these books.
    As was explained earlier functions include restraints. That some functions restrain some other functions and that the latter stop can be called the former's stopping the latter. For example 1, that a neural cell releasing the neurotransmitters of GABA restrains its postsynaptic cells and that the latter stop is the former's stopping the latter. For example 2, that democratic systems and separations of powers restrain despotism and that the latter stop is the former's stopping the latter.

FUNCTIONS' AROUSALS

    That a part of a function which can cause or change its necessary part is caused or changed can be called the function's "Arousal" or Arising. A function's arousal includes that its necessary part is not caused or changed and that another part is caused or changed, and so it overlaps with a stop. Simply, it is probable that a function is not caused and stops even if it arises. A function's arising does not always mean its being caused. For example, that a neural cell's postsynaptic transmission [1] is caused is its excitement and transmission's arising. Even if [1] is caused, when the misfire [1-2] is caused and when the exceeding of the threshold [1-1] is not caused, presynaptic [3] transmission is not caused, and the neural cell does not excite or transmit and does stop.
    The following is the most important example of arousals. As will be explained later, though a lot of images' sources arise, a limited number or less of them are recollected. This is the substance of our daily thought that we cannot think of two or more things at once.
    The following is the case as long as neural cells' excitements and transmissions and some other living functions are concerned. If no pause [4] was caused and if the presynaptic transmission [3] was caused, the neural cell could transmit to and function to its postsynaptic cells. However, it is impossible for [1-1][2][3] to be caused and for [4] not to be caused. Actually, the whole of [1-1][2][3][4]'s being caused is a neural cell's exciting and transmitting, transmitting, and functioning. Simply, they are the same.

COMPLETE AND INCOMPLETE STOPS

    In contrast to a function's arising, a function's not arising, that is, that neither its necessary part nor the parts which can cause it is caused or changed can be called the function's "Complete" Stop or Completely Stopping.
    In contrast to a function's complete stop, a function's arising and not functioning, that is, that some of the parts that can cause its necessary part is caused or changed and that its necessary part is not caused or changed can be called the function's "Incomplete" Stop or Stopping Incompletely.
    Though the word of "incomplete" may make a bad impression, as will be explained in "A PSYCHOLOGY OF ANIMALS HAVING HABITS", each of us need to stop the functions falling into a vicious circle not completely but incompletely in order to decrease the habits falling into a vicious circle.

LIVING THINGS AND THEIR FUNCTIONS

LIVING THINGS AND THEIR FUNCTIONS

    The material things which have the property of synthesizing some macromolecules like proteins, lipids, and carbohydrates and that of reproducing some material things which have the same necessary properties as they have can be called "Living Things".
    For example, a gene has the property of synthesizing proteins and that of reproducing itself, and is a living thing. A cellular membrane has the property of synthesizing lipid and proteins by taking in lipids, enzymes, and so on and that of reproducing itself by spreading and dividing, and is a living thing. Living things include genes, cellular membranes, cells, bodies, individuals, and so on.
    The functions which living things have can be called Living Functions. Living functions include biogenesis, reproduction, growth, aging, death, making groups, and evolution.
    A living thing and its properties including functions can be called the "Living Thing and its Living Functions", the Living Thing and its Functions, or the Living Thing.
    A living thing and its functions' existing and functioning can be called its "Living" or "Life". A living thing and its function's coming to exist and function can be called its "Being Borne" or "Birth", and its coming not to exist or function can be called its "Dying" or "Death". For example, not only individuals but also cells which compose individuals are dying sooner or later.
    Living things are included in material things, and living functions in material functions. However, material things excluding living things can also be called Material things, and material functions excluding living functions can also be called Material Functions.

INDIVIDUALS

    There exist and function some living things which can be living things when they are spatially separated from the other living things. The living things which can be living things when they are spatially separated from the other living things can be called "Individuals". Most animals like insects, fishes, birds, horses, cows, dogs, cats, monkeys, human beings, and so on which are found in our daily life are individuals.

BODIES AND THEIR FUNCTIONS

    There exist and function some individuals whose functions of sensations and images' recollections are premised to cause some appearing things and which have motor functions. Such individuals can be called "Bodies" or "Animals". For example, it is premised that things appearing on a visual sensation are caused by a neural group's excitement and transmission from the retinae to optic nerves to visual areas on occipital lobes, eye balls can move, and an individual having such functions is a body or an animal.
    Organs, tissue, cells, neural systems, neural groups, neural cells, and so on are parts of a body.
    The functions which a body has can be called Bodily Functions or Physical Functions. Bodily functions include expansion and contraction of hearts, blood vessels, and lungs, neural groups' excitements and transmissions, muscular groups' excitements and contractions, secretory groups' excitements and secretions, involuntary movements, voluntary movements, sensations, memories.
    A body and its properties including functions can be called the "Body and its Bodily Functions", the Body and its Functions, or the Body.

ANIMALS AND THEIR FUNCTIONS

    Bodies can be called "Animals", Animal Bodies, or Animal Individuals, too, and bodily functions can be called Animal functions, too. However, in our daily life, the word of bodies is used for the contrast with minds or spirits and does not imply them or appearing things. In contrast, the word of animals and that of human beings can imply them. Accordingly, a body and its functions and the appearing things which some parts of them are premised to cause can be called an Animal and its Animal Functions, an Animal and its Functions, or an Animal. That is, the word of animals and their functions are different from that of bodies and their functions in that the former sometimes implies appearing things.

HUMAN BEINGS AND HUMAN FUNCTIONS

    A Body which belongs to the species of "Homo sapience" can be called a "Human Being", Human Body, or Human Individual, and the functions which a human being has can be called "Human Functions", and a human being and its properties including functions can be called the "Human being and its Human Function", the Human Being and its Functions, or the Human Being. Moreover, for the same reason explained in the above section, a human being and its functions and the appearing things which some parts of them are premised to cause can be called the "Human Being and its Human Function", the Human Being and its Functions, the Human Being, the Human Individual, the Individual, the Individual Person, or Each of Us. That is, the words of human beings and their function sometimes imply some appearing things.
    Human functions include the bodily functions enumerated earlier and walking upright on two legs, running alike, doing the crawl, butterfly, and so on, speaking words, writing words, calculating, playing, studying, working, and interpersonal functions.
    Material things include living things, living things include bodies (=animals), and bodies include human beings. Material functions include living functions, living functions include bodily functions (=animal functions), and bodily functions include human functions. Material things and their functions include living things and their functions, living things and their functions include bodies and their functions (=animals and their functions), bodies and their functions include human beings and their functions.

NEURAL GROUPS' EXCITEMENTS AND TRANSMISSIONS

    An organ which consists of neural cells, sensory cells, and neuroglial cell, cerebrospinal fluid, dura maters, pia maters, arachnoid membranes, and so on which support neural cells and sensory cells can be called a "Neural System". Not only central nerves systems but also peripheral nerves ones and autonomic nerves ones are included in neural systems, and not only neural cells and neural groups but also sensory cells, sensory group, and sensory organs are included in neural systems in these books.
    The following are called "Neural Groups" in these books.

UNITARY NEURAL GROUPS

    A group of neural cells where neural bodies assemble into what is called a nucleus and the axons bunch into what is called a nerve can be called a "Unitary Neural Group".
    Each neural cell in a unitary neural group is joined to by some neural cells in some other unitary neural groups. This can be called the unitary neural group's Being Joined to by some other neural groups. Each neural cell in a neural group joins to some other neural cells in some other unitary neural groups. This can be called the unitary neural group's Joining to some other neural groups.

SENSORY GROUPS

    Though a sensory cell does not have such a long process as a neural cell has as an axon, it joins to some neural cells and has an ability to transmit to them in the same way as a neural cell does.
    A group of sensory cells can be called a "Sensory Group".
    A sensory group joins to some unitary neural groups in the same way as a neural group does. Such sensory cells are included in neural cells, and such sensory groups are included in unitary neural groups in these books.
    However, not a neural group in a narrow sense joins to any sensory groups. A sensory group is metaphorically a starter in a complex neural group as will be defined in the following sections.

COMPLEX NEURAL GROUPS

    Linear neural groups, diverging neural groups, converging neural groups, and pairs of neural groups which will be explained below and their mixture are called "Complex Neural Groups" in these books.

LINEAR NEURAL GROUPS

    When a unitary neural group [A] joins to another unitary neural group [B], [B] joins to another unitary neural group [C] and when the same are repeated, [A][B][C]… can be called a "Linear Neural Group".

NEURAL WAYS

    When a unitary neural group or sensory neural group [A] joins to another unitary neural group [B], [B] joins to another unitary neural group [C], [C] joins to another unitary neural group, a muscle group, or a secretory group[D], when [A][D] have important functions like sensations, memories, and movements, and when [B][C] do not have any functions other than excitements and transmissions, [B][C] can be called the "Neural Way" from [A] to [D].

DIVERGING NEURAL GROUPS

    When a unitary neural group [A] joins to unitary neural groups [B][B'] whose number is as large as or larger than [A], [B][B'] joins to unitary neural groups[C][C'][C''] whose number is as large as or larger than [B][B'] and when the same are repeated, [A][B][B'][C][C'][C'']… can be called a "Diverging" Neural Group. In addition, wildly diverging neural groups can be called diffusing ones.
    For example, the neural groups which individual images' generated sources go through as will be explained in the chapter "MEMORIES" are diverging neural groups, and the neural groups which impulses go through as will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS" are diffusing neural groups.

CONVERGING NEURAL GROUPS

    When a unitary neural group[Z] is joined to by unitary neural groups[Y][Y'] whose number is as large as or larger than [Z], [Y][Y'] are joined to by unitary neural groups[X][X'][X''] whose number is as large as or larger than [Y][Y'] and when the same are repeated, [Z][Y][Y'][X][X'][X'']… can be called a "Converging" Neural Group.
    For example, the neural groups from the unitary neural groups which store individual images' sources to the neural groups which replay sources as will be explained in the chapter "MEMORIES" are converging neural groups. Accordingly, though a lot of individual images' sources arise, a limited number or less of them are recollected.

PAIRS OF NEURAL GROUPS

    In each of most neural systems, there are some pairs of neural groups, and the two neural groups composing each pair are almost the same though some of them cross and some join to each other. For example, in each of most vertebrates' neural systems, there is a pair of neural groups from the retinae via optic nerves to visual areas on occipital lobes though the pair crosses. Such pairs of neural groups are included in neural groups and in complex neural groups in these books.
    As will be explained later, it is premised that a pair of neural groups' excitements and transmissions and some processing functions cause things appearing beyond their sensory organ. For example, your face appearing on a visual sensation with both eyes seems to be in the position beyond my eyes. In contrast, when I close my right eye, your face appearing on a visual sensation with my left eye seems to be in the position of my left eye. In addition, because there is a pair, an individual which suffer disorder in one of the pair sometimes maintains life. That is true of not only neural systems but also eyes, ears, lungs, kidneys, limbs, testicles, ovaries, and so on. In addition, because neural groups compose a pair also in the cerebrum, the dominant hemisphere is questioned. For example, in a right handed person, the left hemisphere is often dominant. In this case, even if the right one suffers some disorder, mental and bodily functions sometimes do not suffer serious disorder.

NEURAL GROUPS

    Unitary neural groups, sensory groups, complex neural groups, pairs of neural groups as were explained above are called "Neural Groups" in these books. That is, neural groups sometimes include sensory groups in these books.

SERIES OF ACTUALLY JOINING NEURAL CELLS

    In a complex neural group, not all the neural cells join directly or indirectly. If all did so, for example, a spot in the retina might become all the field in the visual area on the occipital lobe.
    In a neural group, the neural cells which actually join directly or indirectly can be called a "Series of Actually Joining Neural Cells".

A SPATIALLY RETAINED NEURAL GROUP

    When a complex neural group is cut in round slices, it turns out that each series of actually joining neural cells has a spatial relative position in the slices as a property. Unless neural cells join to or are joined to in one-to-many way or in many-to-one way again and again and unless what is called each nerve is tangled, the spatial relative position of each series of actually joining neural cells is retained to a degree. A joined neural group where the spatial relative position of each series of actually joining neural cells is retained in such a way can be called a "Spatially Retained" Neural Group.
    The spatially retained neural groups' excitements and transmissions are one of the main properties of neural sources of appearing things as will be explained later. Otherwise, for example, it is premised that some things appearing on a visual sensation would be distorted. For example, a circle might become a curve like an ameba.

NEURAL FUNCTIONS

    The function which a neural system has can be called "Neural Functions". Neural functions include neural cells' excitements and transmissions, neural groups' excitements and transmissions, sensations, and memories.
    It is premised that some parts of neural functions cause appearing things directly, and more in detail that some parts of neural groups' excitements and transmissions cause appearing things.

NEURAL GROUPS' EXCITEMENTS AND TRANSMISSIONS

    The excitements and transmissions and stops of the neural cells or sensory cells which belong to a neural group can be called the Neural Group's Excitement and Transmission or Exciting and Transmitting. In a neural group's excitement and transmission, some series of actually joining neural cells excite and transmit, and others do not excite or transmit, that is, stop. In a series of actually joining neural cells, all the neural cells either excite and transmit or stop. The excitements and transmissions or stops of the neural cells or sensory cells which belong to a series of actually joining neural cells can be called the Series of Actually Joining Neural Cells' Excitement and Transmission or Stop or Exciting and Transmitting or Stopping.
    The presynaptic transmissions of the neural cells or sensory cells which belong to the unitary neural group which is, so to speak, an anchor in a complex neural group can be called the complex neural groups' Presynaptic Transmission or Transmitting.
    Postsynaptic transmissions of the neural cells or sensory cells which belong to the unitary neural group which is, so to speak, a starter in a complex neural group can be called the complex neural groups' Postsynaptic Transmission or Being Transmitted.

SELECTIVE NEURAL GROUPS' EXCITEMENTS AND TRANSMISSIONS

    In the excitement and transmission of a spatially retained neural group which were explained earlier, the spatial relative positions and arrangements of series of actually joining neural cells' excitements and transmissions or stops are retained. Simply, they transmit their forms or shapes as they are. For example, a square is transmitted as a square, and a circle is transmitted as a circle. The excitement and transmission of a spatially retained neural group where the spatial relative positions and arrangements of series of actually joining neural cells' excitements and transmissions or stops are retained can also be called a "Selective" Neural Group's Excitement and Transmission or Exciting and Transmitting and the contrary can be called a "Non-Selective" neural group's Excitement and Transmission or Exciting and Transmitting.
    Selective neural groups' excitements and transmissions are one of the main properties of neural sources of appearing things as will be explained later. Otherwise, for example, it is premised that some things appearing on a visual sensation are distorted in the way that was exampled earlier, and that the spatial positions and arrangements of some pain on the skins appearing on a somatic sensation is confused, and that we cannot tell where the pain are. In such ways, neural groups' excitements and transmissions causing sensations and recollections of images need to be selective ones.
    In contrast, neural groups' excitements and transmissions which cause smooth muscles' contractions or endocrine glands' secretions do not need to be selective ones. However, practically, they are also selective though they are not as selective as the former. Maybe, that is because, embryologically, the generation of neural groups where axons are tangled is harder work.

NEURAL GROUPS' INSTANT EXCITEMENTS AND TRANSMISSIONS

    In every neural group, the differences among the times of series of actually joining neural cells' excitements and transmissions are of milliseconds (thousandths of a second). Such a neural group's excitement and transmission can be called the neural group's "Instant" Excitement and Transmission or Exciting and Transmitting Instantly.
    In a neural group's instant excitement and transmission, the temporal positions, arrangements, and changes of the series of actually joining neural cells' excitements and transmissions are retained.
    In addition, in a neural group's instant excitement and transmission, the frequencies of neural cells' excitements and transmissions are retained.
    Neural groups' instant excitements and transmissions are one of the main properties of neural sources of appearing things. Otherwise, it is premised that, for example, the limbs' movement of a running animal of forelimbs forward and hindlimbs backward then forelimbs backward and hindlimbs forward and so on appearing on a visual sensation might become that of forelimbs forward and hindlimbs forward then forelimbs backward and hindlimbs backward and so on.

NEURAL GROUPS' ACTIVITY

    The activities or activations of the neural cells in a neural group can be called a Neural Group's Activity or Activation. Such neural groups' activations and activities make memorizations and storages in memories possible, as will be explained later.

APPEARING THINGS

APPEARING THINGS

    As was explained earlier, sights, sounds, smells, dizziness, taste, pain, hotness, coldness, palpitation, dyspnea, nausea, hunger, thirst, images, ideas, brightness or darkness, loudness or silence, and so on can be called "Appearing things". Appearing things' existing or being premised to exist can be called things' "Appearing" or appearing thing's Appearing. For example, the display of my personal computer, its keyboard, my hands striking it are appearing on a visual sensation with both eyes, the sounds of striking the keyboard are appearing on an auditory sensation with both ears, and slight hunger is appearing on an autonomic sensation to me, a writer of this book, at present.
    The words "appearing things" sometimes designate sights, images, and so on and sometimes designate things in themselves like material things, bodies, and so on which are premised to be represented as appearing things. The words "appearing things" designate the former, that is, sights, images, and so on in these books. For example, material things' reflectance, transmittance, and index of refraction which are premised to be represented as sights are not appearing things, but sights are appearing things.
    The words "things' appearing" sometimes designate sights, images, and so on's existing or being premised to exist and sometimes designate their being represented as sights, images, and so on. The words "things' appearing" designate the former in these books.
    The whole of appearing things appears, and its parts appear. For example, though its periphery is vague, the whole of things appearing on a visual sensation appears as what is called a visual field. Of course, its central part appears clearly. Accordingly, the whole or parts of appearing things can be called the "Appearing Whole" or "Appearing parts". In addition, the appearing whole or appearing parts can be called Appearing Things.
    Qualities like colors, high-low, and so on, quantities like brightness-darkness, loudness-silence, and so on, spatial positions, temporal positions, spatial arrangements, temporal arrangements, their changes are the properties of appearing spatial and temporal things, and they appear. As was explained earlier, they are appearing properties. Appearing properties appear.
    Those apply to the following words.

(1) Words like "appearing spatial and temporal things", "spatial and temporal things' appearing", and so on where the word "things" are replaced by other words
(2) Words like "things appearing on a sensation", "things appearing as an image", and so on where the modifiers like "on sensation", "as an image", and so on are attached to the verb "appear"
(3) Words like "things which appeared to me in the past", "things' which will appear to me in the future", and so on where the tense of the verb "appear" is changed

BASIC KINDS OF APPEARING THINGS

    The following are basic kinds of appearing things.

(s)Things Appearing on a Kind of Sensation= Things Appearing on a Sensation

    The following (s1)-(s7) can be called "Things Appearing on a Kind of Sensation" or Things Appearing on a Sensation.

(s1)Things appearing on a visual kind of sensation = Things appearing on a visual sensation
    Sights, colors, brightness, written words, and so on.
(s1-1)Things appearing on a visual kind of sensation with one eye = things appearing on a visual sensation with one eye
    Sights which are planar and are localized to one eye.
(s1-2)Things appearing on a visual kind of sensation with both eyes = things appearing on a visual sensation with both eyes
    Sights which are cubic and are beyond both eyes.
(s2)Things appearing on an auditory kind of sensation = things appearing on an auditory sensation
    Sounds, voices, high-low, loudness, spoken words, and so on.
(s2-1)Things appearing on an auditory kind of sensation with one ear = things appearing on an auditory sensation with one ear
    Sounds which are spatial points and are localized to one ear.
(s2-2)Things appearing on an auditory kind of sensation with both ears = things appearing on an auditory sensation with both ears
    Sound sources which are cubic and are beyond both ears.
(s3)Things appearing on a olfactory kind of sensation =things appearing on an olfactory sensation = things appearing on a olfactory kind of sensation
    Smells, fragrances, odors, and so on.
(s3-1)Things appearing on an olfactory kind of sensation with one nasal cavity = things appearing on an olfactory sensation with one nasal cavity
    Smells which are planar and are limited to one nasal cavity.
(s3-2)Things appearing on an olfactory kind of sensation with both nasal cavities = things appearing on an olfactory sensation with both nasal cavities
    Smell sources which are cubic and are beyond both nasal cavities.
(s4)Things appearing on a balancing kind of sensation = things appearing on a balancing sensation
    Dizziness, appearing acceleration, appearing rotation, and so on.
(s5)Things appearing on a taste kind of sensation = things appearing on a taste sensation
    Tastes, sweetness, saltiness, sourness, bitterness, and so on.
(s6)Things appearing on a somatic kind of sensation = things appearing on a somatic sensation
    Pain, itches, hotness, coldness, and so on in skins, bones, striated muscles, tendons, and so on.
(s7)Things appearing on an autonomic kind of sensation = things appearing on an autonomic sensation
    Pain, itches, hotness, coldness, and so on in mucous membranes, digestive systems, circulatory systems, and so on, palpitation, dyspnea, nausea, hunger, thirst, and so on.

(i)Things appearing as kinds of sensory images = kinds of sensory images = things appearing as sensory images = sensory images

    The following (i1)-(i7) can be called "Things Appearing as a Kind of Sensory Image", a Kind of Sensory Image, Things Appearing as a Sensory Image, a Sensory Image.

(i1)Things appearing as a visual kind of sensory image = a visual kind of sensory image = things appearing as a visual sensory image = a visual sensory image
(i1-1)Things appearing as a visual kind of sensory image as if with one eye = a visual kind of sensory image as if with one eye = things appearing as a visual sensory image as if with one eye = a visual sensory image as if with one eye
(i1-2)Things appearing as a visual kind of sensory image as if with both eyes = a visual kind of sensory image as if with both eyes = things appearing as a visual sensory image as if with both eyes = a visual sensory image as if with both eyes
(i2)Things appearing as an auditory kind of sensory image = an auditory kind of sensory image = things appearing as an auditory sensory image = an auditory sensory image
(i2-1)Things appearing as an auditory kind of sensory image as if with one ear = an auditory kind of sensory image as if with one ear = things appearing as an auditory sensory image as if with one ear = an auditory sensory image as if with one ear
(i2-2)Things appearing as an auditory kind of sensory image as if with both ears = an auditory kind of sensory image as if with both ears = things appearing as an auditory sensory image as if with both ears = an auditory sensory image as if with both ears
(i3)Things appearing as an olfactory kind of sensory image = an olfactory king of sensory image = things appearing as an olfactory sensory image = an olfactory sensory image
(i3-1)Things appearing as an olfactory kind of sensory image as if with one nasal cavity = an olfactory king of sensory image as if with one nasal cavity = things appearing as an olfactory sensory image as if with one nasal cavity = an olfactory sensory image as if with one nasal cavity
(i3-2)Things appearing as an olfactory kind of sensory image as if with both nasal cavities = an olfactory king of sensory image as if with both nasal cavities = things appearing as an olfactory sensory image as if with both nasal cavities = an olfactory sensory image as if with both nasal cavities
(i4)Things appearing as a balancing kind of sensory image = a balancing kind of sensory image = things appearing as a balancing sensory image = a balancing sensory image
(i5)Things appearing as a taste kind of sensory image = a taste kind of sensory image = things appearing as a taste sensory image = a taste sensory image
(i6)Things appearing as a somatic kind of sensory image = a somatic kind of sensory image = things appearing as a somatic sensory image = a somatic sensory image
(i7)Things appearing as an autonomic kind of sensory image = an autonomic kind of sensory image = things appearing as an autonomic sensory image = an autonomic sensory image

    Simply, things occurring to me, past things remembered, future things expected, unreal things imagined, and so on are images.
    When the word "images" is used, visual sensory images occur to us, but auditory sensory images, olfactory sensory images, and so on also appear. For example 1, when a person who is not present here occurs to us, his or her face appears as a visual sensory image, his or her speaking words appear as an auditory sensory image, and his or her touch appears as a somatic sensory image. In addition, his or her smell with that of tobacco, alcohol, perfume, or so sometimes appears as an olfactory sensory image. For example 2, when some events on the next day in school or office are expected at home, its buildings and people appear as a visual sensory image, their words and the sound of chimes appear as an auditory sensory image. From the beginning, we think with some visual and auditory sensory images of words. Otherwise, we could not think without writing words or speaking words aloud.
    While things appearing on a sensation which is premised to be caused by the neural function which contains the excitements and transmissions of some sensory nerves in a narrow sense and which does not contain those of any autonomic nerves can be called Things Appearing on a Somatic Sensation, things appearing on a sensation which is premised to be caused by the neural function which contains those of some autonomic nerves is called a Thing Appearing on an Autonomic Sensation in these books.
    Things appearing on autonomic sensations are the vaguest of all things appearing on sensations. However, for example, palpitation and dyspnea appear on an autonomic sensation. Things appearing as autonomic sensory images are the vaguest of all the appearing things. However, for example, palpitation and dyspnea appear even a little as an autonomic sensory image together with some visual or auditory sensory images of the words of palpitation and dyspnea.
    The above are the most basic appearing things, and the following are comparatively basic appearing things.
    Strictly, palpitation, dyspnea, and so on contain not only some things appearing on an autonomic sensation but also some things appearing on a somatic sensation which accompany the chest's expansion and contraction, and are not pure things appearing on an autonomic sensation, but each of them is looked upon as one thing appearing on sensations. A thing appearing on sensations which consists of things appearing on more than one kind of sensation and which are looked upon as one appearing thing can be called a "Thing Appearing on a complex sensation".
    However, when a thing appearing on a complex sensation contains some things appearing on an autonomic sensation, it is also called a Thing Appearing on an Autonomic Kind of Sensation or a Thing Appearing on an Autonomic Sensation in these books. That is, the words "a thing appearing on an autonomic kind of sensation" or a thing appearing on an autonomic sensation sometimes designate a thing appearing on a complex sensation containing some things appearing on an autonomic kind of sensation. The reason why things appearing on an autonomic kind of sensation are given priority to in such a way will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS".
    Things appearing on a visual sensation with one eye, things appearing on a visual sensation with both eyes, things appearing on an auditory sensation with one ear, and so on are homogeneous respectively. For example, all things appearing on a visual sensation with both eyes have colors and brightness as properties and are cubic and beyond both eyes. They are homegeneous also in that sense. In contrast, not all things appearing on an autonomic kind of sensation and things appearing as an autonomic kind of sensory image are homegeneous, and they are heterogeneous. For example, palpitation, dyspnea, and nausea do not resemble one another at least, they are far from homogeneous. In addition, in each individual, each of the former are premised to be caused by a single function. For example, things appearing on a visual sensation with both eyes are premised to be caused by a pair of neural groups' excitement and transmission from both the retinas to both the optic nerves (they cross here) to both the visual areas, and they can be looked upon as one function. In contrast, the latter cannot be premised to be caused by a single function. Accordingly, as far as things appearing on an autonomic kind of sensation and things appearing as an autonomic kind of sensory image are concerned, also in each individual body, the plural forms like things appearing on autonomic "kinds" of "sensations" are sometimes used in these books.

THINGS APPEARING ON THE SAME KIND OF SENSATION AND SENSORY IMAGE

    Though a visual sensory image is not as clear as things appearing on a visual sensation, the former resembles the latter, though an auditory sensory image is not as clear as things appearing on an auditory sensation, the former resembles the latter, and the same applies to olfactory sensory images, balancing sensory images, and so on. For example, though another person's face appearing as a visual sensory image is not as clear as his or her face appearing on a visual sensation, the former resembles the latter, though another person's voice appearing as an auditory sensory image is not as clear as his or her voice appearing on an auditory sensation, the former resembles the latter. In such a way, in appearing things, not only things appearing on sensations and things appearing on sensory images can be distinguished but also visual things, auditory things, and so on can be distinguished, and not only the former distinction but also the latter cause "kinds". This book makes much of not only the former kinds but also the latter, and the word "kinds" mainly designates the latter in these books. In addition, the things appearing on a sensation and the things appearing as a sensory image which are of the same kind in such a sense can be called Things Appearing on the Same Kind of Sensation and Sensory Image in general, and in particular, Things Appearing on a Visual Kind of Sensation and Sensory Image, Things Appearing on an Auditory Kind of Sensation and Sensory Image, and so on. From the beginning of this chapter, like things appearing on a visual kind of sensation, the word "kinds" has been used in such a sense.
    It is in things appearing on the same kind of sensation and sensory image that things appearing on a sensation and things appearing as a sensory image are alike. It is not beyond the same kind that they are alike. For example, a thing appearing on a visual sensation and a thing appearing as an auditory sensory image are not alike, at all. Another person's face appearing on a visual sensation and his or her voice appearing as an auditory sensory image are not alike, at all.

THINGS APPEARING ON PLEASURE AND DISPLEASURE SENSATIONS

    Some pleasure and displeasure almost always appear on sensations. For example, the pain on the skins appears on a somatic sensation, and palpitation, dyspnea, hunger or repletion, thirst, and nausea appear on autonomic sensations, and they are pleasure or displeasure. For example 1, moderate hunger is sometimes pleasure, and excessive hunger is often displeasure. For example 2, though excessive palpitation and dyspnea are always displeasure, moderate palpitation and dyspnea are sometimes pleasure as expectation. Even if they cannot felt as pleasure or displeasure, they can be looked upon as properties which are of zero quantity. Each of (s3)-(s7) has such pleasure and displeasure as properties. Each of (s3)-(s7) which has some pleasure and displeasure as properties can be called "Things Appearing on a Pleasure and Displeasure Sensation" in general, Things Appearing on a Pleasure and Displeasure Olfactory Sensation, Things Appearing on a Pleasure and Displeasure Balancing Sensation, Things Appearing on a Pleasure and Displeasure Taste Sensation, Things Appearing on a Pleasure and Displeasure Somatic Sensation, and Things Appearing on Pleasure and Displeasure Autonomic Sensations in particular.
    The pain, itches, hotness, coldness, and so on in the skins, bones, striated muscles, tendons, and so on are included in things appearing on a pleasure and displeasure somatic sensation. That is because those tissues or organs are reached mainly by sensory nerves in a narrow sense. Those in the mucous membranes, digestive systems, circulatory systems, and so on, palpitation, dyspnea, nausea, hunger, thirst, and so on are included in things appearing on pleasure and displeasure autonomic sensations. That is because those tissues or organs are reached mainly by autonomic nerves.
    Things appearing on sensations excluding things appearing on visual sensations and things appearing on auditory sensations are things appearing on pleasure and displeasure sensations. They are psychologically important because they have pleasure and displeasure. Neither things appearing on visual sensations nor things appearing on auditory sensations are things appearing on pleasure and displeasure sensations. For example, eyes' pain and ears' pain are things appearing on somatic sensations, things appearing on autonomic sensations, or metaphors. Though things appearing on a visual sensation and things appearing on an auditory sensation have no pleasure or displeasure, they are psychologically important because visual sensory images and auditory sensory images which they cause are dominant in sensory images. After all, the former are important for emotions, and that latter, for memories, perceptions, associations, and thinkings.
    Pleasure and displeasure sensation has some spatial and temporal parts where pleasure is comparatively dominant and some other spatial and temporal parts where displeasure is comparatively dominant. In things appearing on a pleasure and displeasure sensation, a spatial and temporal part where pleasure is comparatively dominant can be called a "Thing Appearing on a Pleasure Sensation" or pleasure, and a spatial and temporal part where displeasure is comparatively dominant can be called a "Thing Appearing on a Displeasure Sensation".
    After all, we can decide whether a thing is pleasure or displeasure only according to how the animal and its functions function to it. As will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS", the autonomic sensations which cause impulses are pleasure ones.

THINGS APPEARING ON THEIR SENSORY ORGANS⇔THINGS APPEARING BEYOND THEIR SENSORY ORGANS

    Each of (s1-1)(s2-1)(s3-1)(s4)(s5)(s6)(s7)(i1-1)(i2-1)(i3-1)(i4)(i5)(i6)(i7) is a point, planar, or cubic, appears on its own sensory organ, and does not appear beyond it. For example, when each of us closes the right eye, another person's face appearing on a visual sensation with the left one is planar, appears on the left one, and does not appear beyond the left one. (s1-1)(s2-1)(s3-1)(s4)(s5)(s6)(s7)(i1-1)(i2-1)(i3-1)(i4)(i5)(i6)(i7) each of which is a point, planar, or cubic, appears on its own sensory organ, and does not appear beyond it can be called "Things Appearing on their Sensory Organ".
    Each of (s1-2)(s2-2)(s3-2)(i1-2)(i2-2)(i3-2) is cubic and appears beyond its own sensory organ. For example, when each of us opens both eyes, another person's face appearing on a visual sensation with both eyes is cubic and appears beyond both the eyes. (s1-2)(s2-2)(s3-2)(i1-2)(i2-2)(i3-2) each of which is cubic and appears beyond its own sensory organ can be called "Things Appearing Beyond their Sensory Organ".
    In things appearing on their sensory organs, the spaces where appearing things appear are the same as those where their own sensory cells are distributed. For example, the space where things appearing on a somatic sensation are the same as the skins, striated muscles, bones, and tendons where sensory cells in a narrow sense are distributed.
    However, things appearing on auditory sensations with one ear, things appearing as auditory sensory images with one ear, things appearing on balancing sensations, and things appearing as balancing sensory images are only points spatially. The reason why they are so is that the spatial positions and arrangements of their sensory cells represent not those in the body but sounds' high-low and some other qualities.

APPEARING SPATIAL AND TEMPORAL THINGS AND APPEARING PROPERTIES

    As was explained earlier, appearing things are divided into appearing spatial and temporal things and appearing properties. For example, the sight of a tree is a spatial and temporal thing appearing on a visual sensation, and it has colors and brightness as properties. A little more closely, the appearing spatial and temporal things of leaves of the tree have the color of green as a property, those getting the sunlight directly has that of bright green, and those in the shadow which are not getting the sunlight directly have that of dark green as a property.
    In things appearing on a continuous sensation and sensory image, appearing spatial and temporal things are alike, and appearing properties are alike. For example 1, in things appearing on a visual sensation and sensory image, colors appearing on a visual sensation and colors appearing as a visual sensory image are alike. For example 2, in dreams, excluding things appearing on autonomic sensations, things appearing on sensations do not appear, things appearing as sensory images appear, most dreams have colors, and those colors are what things appearing on visual sensory images have as properties.
    Properties appearing on visual and auditory sensations do not include any pleasure or displeasure. Properties appearing on olfactory, balancing, taste, somatic, and autonomic sensations include some pleasure and displeasure. Properties appearing as sensory images do not include any pleasure or displeasure. For example, what seem to be pleasure and displeasure in mental emotions like anxiety, fear, and so on are the pleasure or displeasure which things appearing on autonomic sensations have as properties, as will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS".
    Whether they are points, planar, cubic, or properties, all appearing things on sensation and all appearing things as sensory images are spatial and temporal things or their properties. Simply, they do not transcend space and time.
    All appearing things including individual images, complex images, and so on as will be explained later are spatial and temporal things or their properties, and this explanation is sometimes omitted in these books.

THINGS APPEARING INTENSELY OR FAINTLY AND THINGS' APPEARING INTENSELY OR FAINTLY

    Every appearing spatial and temporal thing has quantity like brightness or darkness, loudness or silence, distance, size, intensity, clearness or vagueness, and so on as properties, and such quantity appear. The quantity which an appearing spatial and temporal thing has as a property and which appears can be called "Appearing Quantity". It is also called "Appearing Intensity" in these books in order for it to be easily felt. In addition, the appearing things whose appearing quantity is large or small can be called "Things Appearing Intensely or Faintly". A thing appearing intensely or faintly's appearing can be called the Thing's Appearing Intensely or Faintly.
    Some kinds of appearing quantity affect some animal functions and their quantity intensely. Such kinds will be enumerated below. They are also represented by the words "intensely or faintly" in these books.

○Brightness
This word represents a kind of appearing quantity which everything appearing on a visual sensation and sensory image have.
○Distance = Closeness
This word represents a kind of appearing quantity which everything appearing beyond its sensory organ, that is, everything appearing on a visual sensation and sensory image with both eyes, everything appearing on an auditory sensation and sensory image with both ears, and everything appearing on an olfactory sensation and sensory image with both nasal cavities have.
○Loudness
This word represents a kind of appearing quantity which everything appearing on an auditory sensation and sensory image.
○Intensity
In a narrow sense, this word represents a kind of appearing quantity which pain, hotness, coldness, and so on appearing on a somatic sensation, palpitation, dyspnea, hunger, thirst, nausea, and so on appearing on an autonomic sensation, and so on have. In a broad sense, brightness appearing on a visual sensation and sensory image can be looked upon as the intensity of light, and loudness appearing on a visual sensation and sensory image, as the intensity of sounds. As was explained earlier, this word is also used to designate other appearing quantity in these books.
○Clearness
    This word represents a kind of appearing quantity which every appearing thing has. In things appearing on a visual sensation, the periphery is vague and the central part is clear. In general, things appearing on somatic sensations are clearer than things appearing on autonomic sensations. In general, things appearing on sensations are clearer than things appearing as sensory images. Appearing clearness can be likened to the resolution of photographs. Usually, the larger the number of sensory cells in retinae is, the larger clearness is like the larger that of photodetector is, the larger resolution is. In addition, if the lenses of somebody's eyes suffer from cataract, the clearness declines like if the lens of a camera gets dirty, the resolution declines.
〇Spatial size
    Things appearing on a visual sensation and sensory image and things appearing on somatic sensation and sensory image have clear spatial sizes. For example 1, in things appearing on a visual sensation with both eyes, we can guess the size of things in front of us. For example 2, in things appearing on a somatic sensation, we can guess the size of skin lesions on our backs from that of its pain or itch. However, some other appearing things have spatial sizes though they are vague. In things appearing on an auditory sensation with both ears and on an olfactory sensation with both nasal cavities, sound and smell sources appear, and their sizes appear, too. For example 1, we can hear and guess that the sound source of a chorus is larger than that of a solo. For example 2, in a human being, smell sources in things appearing an olfactory sensation with both nasal cavities are very vague, but maybe some other animals can smell the sizes of their enemies or prey. In addition, the spatial sizes in things appearing on autonomic sensations are vague, too. However, for example, the inflammation on the whole of the stomach's mucous membrane would be felt differently from the same degree of inflammation of a small part of the same mucous membrane.
〇Temporal duration and frequency
These are important in things appearing as images. For example, the images which cause anxiety appear vaguely but persistently and frequently, and these persistence and frequency annoy us.

THINGS APPEARING AS IMAGES=IMAGES

THINGS APPEARING AS INDIVIDUAL IMAGES=INDIVIDUAL IMAGES

    In a sensory image, some spatial and temporal parts which have some properties usually appear separated, appear intensely, appear faintly, and fade out, and some of them sometimes fuse into one and are separated again. For example, in a visual sensory image, a certain person's body which has the spatial arrangement of the head, trunk, arms, and legs as a property usually appears separated from the background and other persons' bodies, comes closer, goes farther, and fades out and sometimes fuses with the background and is separated again. Moreover, only his or her face or eye sometimes appears. In a sensory image, the spatial and temporal parts which have some properties and which usually appear separated, appear intensely, appear faintly, fade out, sometimes fuse, are separated again, and repeats the same can be called "Things Appearing as Individual Images", "Individual Images", "Thing Appearing as Individual Sensory Images", "Individual Sensory Images" in general, Things Appearing as Individual Visual Images or Individual Visual images, Things Appearing as Individual Auditory images, and so on in particular. For example, a certain person's face appearing as an individual visual image, a certain tool appearing as an individual visual image, and a certain word appearing as an individual auditory image are included in individual images. From now on, the words "an individual image" will usually be used for simplification. They are general words, and individual images include individual visual images, individual auditory images, and so on.
    Because it is a part of a sensory image which is a spatial and temporal thing or its properties, every individual image is a spatial and temporal thing or its properties. Simply, no individual images transcend space and time.
    In addition, every individual image has some properties.
    Every individual image is a particular thing as is explained in "PARTICULAR THINGS AND GENERAL THINGS."

THINGS APPEARING AS IMAGES=IMAGES

    Things appearing as complex images, things appearing on perceptions, and things appearing on associations as follows are also called "Things Appearing as Images" or "Images" in these books.

THINGS APPEARING AS COMPLEX IMAGES=COMPLEX IMAGES

    More than one individual image appears spatially and temporally closer than the other individual images and things appearing on sensations. For example, a particular person's face appearing as an individual visual image with both eyes, his or her spoken words and names appearing as individual auditory images with both ears, and so on appear spatially and temporally closer than the other particular persons' faces appearing as individual visual images with both eyes, their spoken words and names appearing as individual auditory images with both ears, and so on. More than one individual image which appears spatially and temporally closer than the other individual images and things appearing on sensations can be called "Things Appearing as Complex Images", Complex Images, Things Appearing as Images, Images, or Groups of Individual Images.
    Moreover, more than one complex image appears spatially and temporally closer than the other complex images, individual images, and things appearing on sensations, and the same are repeated. For example, human beings appearing as complex images, apes appearing as complex images, and so on appear spatially and temporally closer than birds appearing as complex images, fishes appearing as complex images, and so on. That is because human beings are more similar to apes than birds, fishes, and so on, and because modern people know biological classification, evolutionism, and so on. {More than one complex image which appears spatially and temporally closer than the other complex images, individual images, and things appearing on sensations} and {complex images which repeat this and which become a more and more complex one} can be called "Things Appearing as Complex Images", Complex Images, Things Appearing as Images, Images, or Groups of Complex Images.
    Every complex image consists spatially and temporally of a lot of individual images or some complex images. After all, every complex image consists spatially and temporally of a lot of individual images.
    A complex image usually consists of more than one kind of individual sensory image. For example 1, a particular person appearing as a complex image consists of his or her faces and bodies appearing as individual visual images, his or her spoken words and names appearing as individual auditory images, and so on. For example 2, a general human being appearing as a complex images consists of a lot of particular persons' faces and bodies appearing as individual visual images, spoken words "human", "being", "Homo", "sapiens", and so on appearing as individual auditory images, and so on.
    However, one or two kinds of individual sensory image are usually dominant in a complex image. Above all, in human beings, individual visual images and individual auditory ones are dominant. For example, individual visual images are dominant in an image of written words or signs, and the auditory ones are dominant in an image of spoken words. The complex images where individual visual images are dominant, where auditory ones are dominant, or so can be called "Visual Images", "Auditory Images", or so. When they have been defined so, it can be said that complex images are visual images or auditory images in human beings.
    Because every complex image consists spatially and temporally of a lot of individual images which are spatial and temporal things or their properties, every complex image is a spatial and temporal thing or its properties. Simply, they do not transcend space and time.
    Complex images are the substance of what is called "Ideas." That is, even ideas do not transcend space and time. About particular things and general things, please refer to "PARTICULAR THINGS AND GENERAL THINGS." The things which have temporal extent of more than seconds, general things, functions, and so on all appear as complex images, and do not appear on sensations, as sensory images, or as individual images. What are called abstract things appear as complex images, too. For example, a certain person which has a temporal extent of years appears as a complex image consisting of his or her faces and bodies appearing as a lot of individual visual images, his or her spoken words and names appearing as a lot of individual auditory images, and so on. General human beings appear as a complex image consisting of a lot of certain persons' faces and bodies appearing as individual visual images, certain spoken words "human", "being", "Homo", and "sapiens" appearing as individual auditory images, erect bipedalism appearing as individual visual images, and so on. Universal gravitation as a function appears as a complex image consisting of the arrows representing vectors appearing as individual visual images, spoken words "Universal" and "Gravitation" appearing as individual auditory images, and so on.

SENSORY IMAGES AND COMPLEX IMAGES

    Both each sensory image and each complex image consists of individual images. However, the former does so on the basis of whether they are visual, auditory, or so, and the latter does so on the basis of spatial and temporal closeness. The former is like what is made by slicing the latter which is in unity and makes what is called sense and make no sense by itself. It is the latter that is important for feelings, desires, egos, thinkings, and so on which will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS", and the former can almost be ignored there. In addition, the latter are important for our daily life, literature, and art. However, the latter cannot be ignored in this book, which explain memories in the final chapter. That is because, at the final stage of a memory, individual visual images are replayed visually and comprise a visual sensory image, individual auditory images are replayed auditorily and comprise an auditory sensory image, and the same applies to individual olfactory images individual balancing images, and so on. All the same, sensory images make no sense by themselves.

THINGS APPEARING ON PERCEPTIONS

    Some complex images and some spatial and temporal parts appearing on sensations appear spatially and temporally closer than the other individual images, complex images, and parts appearing on sensations. For example, a particular person's face appearing on a visual sensation with both eyes, his or her faces appearing as visual images with both eyes, and his or her names appearing as auditory images with both ears appear spatially and temporally closer than the other particular persons' or the background appearing on a visual sensation. Some complex images and some spatial and temporal parts appearing on sensations which appear spatially and temporally closer than the other individual images, complex images, and parts appearing on sensations can be called a "Thing Appearing on a Perception".
    All things appearing on sensations are endless and chaotic. An individual image which is generated by a part of a sensory image having some properties' being cut is not endless and gets out of chaos. However, all things appearing on sensations, all sensory images, and all individual images are momentary things and particular things. In contrast, some complex images are continuous things. In addition, some complex images are general things like general human beings. In addition, some complex images are abstract things like liberty. When a part appearing on a sensation fuses with some complex images, that part gets out of chaos as a thing appearing on a perception. For example, the part of another person's face appearing on a sensation is not a face, a person, or a human being. Simply, we cannot recognize him or her. When that part fuses with his or her face appearing as a complex image, that part gets out of chaos as his or her face appearing on a perception. Simply, we can recognize him or her. More simply, we can look at, listen to, and feel things well by overlapping images with things appearing on sensations.

A LIMITED NUMBER OR LESS OF IMAGES

    In a time of tenths of a second or less, a limited number or less of images appear, some of them appear most intensely, others appear more intensely, others appear more faintly, and the other appear most faintly. For example, when each of us thinks of the self, its images appear the most intensely, the images of some other persons who it has much to do with appear more intensely, and those of the other things appear more faintly. That is the substance of some parts of what is called "Consciousness."
    However, the limited number is not determined by species or individuals but varies in situations. For example, when some images appear very intensely, the number gets small. For example, when a boy or girl friend appears, it is smaller than when ordinary people appear.

THINGS APPEARING ON ASSOCIATIONS

    In a time of tenths of a second or more, some things appearing on perceptions and some complex images appear spatially and temporally closer, the latter and some other complex images appear spatially and temporally closer, the latter and some other complex images appear spatially and temporally closer, and the same are repeated. Complex images which continue in such a way are included in complex images. However, in complex images in a time of tenths of a second or more, temporal closeness is more important than spatial closeness, and the limited number is not important. Complex image that continue in a time of tenths of a second or more can be called a "Thing Appearing on an Association". For example, when each of us wakes up in the morning, the windows appearing on a perception and our town appearing as an image appear closer, the latter and our office or school appearing as an image appear closer, and the latter and the people belonging to it appearing as images appear closer, and the same are repeated. Those images are a thing appearing on an association.
    Anyway, things appearing on associations are included in complex images.

Things Appearing as Images = Images

    Now we have got the following three groups.
Group (1) Things appearing as complex images = Complex images
Group (2) Things appearing on perceptions
Group (3) Things appearing on associations
(1)(2)(3) contain (1), and the most important for memories, emotions, egos, and thinkings are (1). In addition, if the words "complex images, things appearing on perceptions, or things appearing on associations", are always used, sentences would be complicated. Accordingly, (1)(2)(3) are also called Things Appearing as Images or Images in these books. That is, the word "images" designate complex images, things appearing on perceptions, or things appearing on association in these books. Such simplification causes no problems in these books.

WORDS APPEARING AS IMAGES=LANGUAGE APPEARING AS IMAGES=LINGUAL IMAGES

    In human beings, some written words and signs appear not only in things appearing on visual sensations but also in things appearing as visual images, some spoken words appear not only in things appearing on auditory sensations but also in things appearing as auditory images, and Braille appear not only in things appearing on somatic sensations but also in things appearing as somatic images. The written words and signs appearing as visual images, the spoken words appearing as auditory images, Braille appearing as somatic images, and so on can be called "Words Appearing as Images", "Language Appearing as Images", or "Lingual Images".
    Some short isolated words appear as individual images, some short words, many long ones and some short phrases appear as complex images, and some short phrases, many long ones, clauses, and sentences appear on associations. For example, the sentence "some short phrases, many long ones, clauses, and sentences appear on associations" appear on an association.
    The more lingual images are generated, the more complex and rich general images get.

INTENSITIES OF IMAGES

    Every image has intensity as a property as an average of the intensities of the individual images or parts of things appearing on sensations which it consists of. For example, when each of us thinks of human beings as individuals, their images appear more intensely than the images of the society or nature, and the reverse is also true.

COMPOSITION OF APPEARING THINGS

    Every appearing thing consists of some things appearing on sensations or some individual images. For example, every complex image consists of a lot of individual images, and everything appearing on a perception consists of some parts appearing on sensations and a lot of individual images. In addition, as was explained earlier, sensory images consist of individual images.
    Every appearing thing, which consists of some things appearing on sensations or some individual images which are spatial and temporal things or their properties, is a spatial and temporal thing or its properties. Simply, they do not transcend space and time. For example, an abstract thing that seemingly transcends space and time does not do it because it appears as a complex image or appears on an association.
    Appearing things include things appearing on sensations, sensory images, individual images, complex images, things appearing on perceptions, things appearing on associations, things appearing on emotions, things appearing on egos, things appearing on thinkings, and so on. In those appearing things, things appearing on sensations consist of things appearing on sensations, sensory images, individual images, complex images, and things appearing on associations consist of a lot of individual images. Things appearing on perceptions, things appearing on emotions, things appearing on egos, and things appearing on thinkings consist of some parts appearing on sensations and a lot of individual images.

A CONTINUITY OF APPEARING THINGS

    As long as each of us is awake or dreams, some appearing things appear continuously. If we close our eyes, we hear something. If we could close our eyes and ears completely, we could feel our hands, masks or so blocking them. If no things appearing on visual, auditory, or somatic sensations appeared, hunger or thirst could appear on autonomic sensations. If no things appearing on sensations appeared, some ideas would appear continuously as long as each of us is awake or dreams. Such a continuity can be called a "Continuity of Appearing Things" or a "Continuity of Images". It is the substance of what is called a "Continuity of Consciousness", "Stream of Consciousness", and so on.
    When each of us {is asleep and is not dreaming} or is unconscious, no appearing things appear. However, as long as each of us wakes up or dreams again and has memories, appearing things are looked upon as intermittent. For example, when each of us wakes up in the morning, the happenings of the previous day appear as images.

NEURAL FUNCTIONS CAUSING APPEARING THINGS

NEURAL FUNCTIONS CAUSING APPEARING THINGS

    Every appearing thing is premised to be caused by some things in themselves. For example, everything appearing on a visual sensation is premised to be caused by the photons which reach the retinae, the material things and their functions which reflect, permeate, and refract the photons reaching the retinae, the neural group's excitement and transmission from the retinae to optic nerves to visual areas on occipital lobes, and so on.
    Every appearing thing is premised to be caused directly by some parts of neural system and their functions. The parts of the neural system and their functions which are premised to cause appearing things can be called the "Neural Function Directly Causing the Appearing Things". In addition, they and the parts of the neural system and their functions which are essential for causing or changing them can be called the "Neural Function Causing the Appearing Things". For example, the neural group's excitement and transmission from the retinae to optic nerves to visual areas on occipital lobes, and so on are the neural function causing things appearing on a visual sensation.
    In addition, the neural function causing things appearing on a sensation or things appearing as a sensory image can be called a "Sensation" or the "Recollection of a Sensory Images" or a "Recollection".
    These words imply some appearing things in our daily life. For example, when we use the word "sensation", not only eyes, ears, or nerves but also sights or sounds occur to us. Accordingly,

the neural function causing appearing things and the appearing things which it causes
a sensation and the things appearing on the sensation which it causes
the recollection of a sensory image = a recollection and the sensory image which it causes

is also called

a Sensation
the Recollection of a sensory image = a Recollection

in these books.
    The following is a detail.

[nf]A neural function causing appearing things
  [s]A Kind of sensation = a sensation
    [s1]A visual kind of sensation = a visual sensation
      [s1-1]A visual kind of sensation with one eye = a visual sensation with one eye
      [s1-2]A visual kind of sensation with both eyes = a visual sensation with both eyes
    [s2]An auditory kind of sensation = an auditory sensation
      [s2-1]An auditory kind of sensation with one ear = an auditory sensation with one ear
      [s2-2]An auditory kind of sensation with both ears = an auditory sensation with both ears
    [s3]An olfactory kind of sensation = an olfactory sensation
      [s3-1]An olfactory kind of sensation with one nasal cavity = an olfactory sensation with one nasal cavity
      [s3-2]An olfactory kind of sensation with both nasal cavity = an olfactory sensation with both nasal cavities
    [s4]A balancing kind of sensation = a balancing sensation
    [s5]A taste kind of sensation = a taste sensation
    [s6]A somatic kind of sensation = a somatic sensation
    [s7]Autonomic kinds of sensations = autonomic sensations
  [i]Recollection of a kind of sensory image = recollection of a sensory image
    [i1]Recollection of a visual kind of sensory image = recollection of a visual sensory image
      [i1-1]Recollection of a visual kind of sensory image as if with one eye = recollection of a visual sensory image as if with one eye
      [i1-2]Recollection of a visual kind of sensory image as if with both eyes = recollection of a visual sensory image as if with both eyes
    [i2]Recollection of an auditory kind of sensory image = recollection of an auditory sensory image
      [i2-1]Recollection of an auditory kind of sensory image as if with one ear = recollection of an auditory sensory image as if with one ear
      [i2-2]Recollection of an auditory kind of sensory image as if with both ears = recollection of an auditory sensory image as if with both ears
    [i3]Recollection of an olfactory kind of sensory image = recollection of an olfactory sensory image
      [i3-1]Recollection of an Olfactory Sensory image as if with One Nasal Cavity
      [i3-2]Recollection of an olfactory kind of sensory image as if with both nasal cavities = recollection of an olfactory sensory image as if with both nasal cavities
    [i4]Recollection of a Balancing Sensory image
    [i5]Recollection of a taste kind of sensory image = recollection of a taste sensory image
    [i6]Recollection of a somatic kind of sensory image = recollection of a somatic sensory image
    [i7]Recollections of autonomic kinds of sensory images = recollections of autonomic sensory images

    Some of them will be supplemented below.
    Things appearing on autonomic sensations cannot be premised to be caused by a unitary function, nor cannot things appearing as autonomic sensory images. Accordingly, as far as they are concerned, also in each individual body, the plural forms like autonomic "kinds" of "sensations" are used in these books.
    As was explained earlier, in appearing things, some "complex" sensations can be assumed. Also in things themselves, they can be. Above all, complex sensations which involve the excitements and transmissions of both autonomic nerves and sensory ones in a narrow sense can be. However, the complex sensations which involve some autonomic nerves' excitements and transmissions are also called Autonomic kinds of Sensations or Autonomic Sensations in these books. That is because, as will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS", autonomic sensations are essential to feelings, desires, and egos, and because a function Audotory involving some subtle autonomic sensations can be essential to them.
    [s1]-[s7] are sensations which are basic to vertebrates including human beings. In animals excluding vertebrates, the distinction between [s6]somatic sensations and [s7]autonomic sensations is vague. It is in terrestrial vertebrates that [s2]auditory sensations and [s3]balancing sensations are clear. There can be some other sensations. For example, some reptiles have a kind of sensation which uses infrared rays, and some dolphins or whales have a kind of sensation which uses echoes. The explanations of such special sensations will be omitted in these books.
    Sensations excluding visual sensations and auditory sensations are pleasure and displeasure sensations. In the phylogenesis, ontogenesis, and individual aging of sensations, somatic, autonomic, taste, and olfactory ones precede and survive the others. Accordingly, every animal having some sensations has some pleasure and displeasure sensations.
    Recollections of images get clear in some mammals, above all, in human beings. Though the word "recollection" often designates remembering some past events in our daily life, it designates not only remembering some past things but also thinking of some present things, expecting some future things, imagining some unreal things, dreaming, and so on in these books.
    As was explained earlier about appearing things, the words of recollections of images or recollections can designate recollections of complex images, perceptions, or associations in these books.
    Every animal's neural system on the earth is separated from the others, and no animal's neural groups join to, transmit to, are joined to by, or are transmitted to by any others'. Accordingly, it is premised that no things appearing to any others appears to me. For example, though your face is appearing to me on my visual sensation, my face appearing to you on your visual sensation never appears to me. In other words, if the neural systems of I and any other animals were intermingled, some things appearing to them could appear to me, and vice versa. Then, I could see, hear, or feel what you do so, and vice versa. Your pain could be mine not metaphorically but in a real sense. However, as far as the living things on the earth are concerned, such things will not happen.

THE SAME KIND OF CONTINUOUS SENSATION AND MEMORY

    Visual sensory images resemble things appearing on visual sensations, auditory sensory images resemble things appearing on auditory sensations, and the same applies to olfactory sensory images, balancing sensory images, and so on. Accordingly, the kinds according to the distinction between visual things, auditory things, and so on have already been recognized on the stage of appearing things. The word "kinds" has already been used mainly in this sense.
    Moreover, according to the similarity of things appearing on sensations and things, appearing as sensory images, we find that between

(1) a kind of sensation

and

(3) the recollection of the same kind of sensory image

there are

(3) some neural groups and their functions which are caused or changed by (1) and which cause or change (3),

and that (1)(2)(3) compose a small neural system in the neural system of an individual. (1)(2)(3) are continuous. While (1)(2) cause some appearing things directly, (2) do not do so directly. The core of what is called memory is in (2). (2) can be called a Kind of Latent Memory or a Latent Memory in general, and in particular, a Visual Kind of Latent Memory or a Visual Latent Memory, an Auditory Kind of Latent Memory or an Auditory Latent Memory, and so on. (2)(3) can be called a Kind of Memory or a Memory in general, and in particular, a Visual Kind of Memory or a Visual Memory, an Auditory Kind of Memory or an Auditory Memory, and so on. (1)(2)(3) can be called the Same Kind of Continuous Sensation and Memory or a Continuous Sensation and Memory in general, and in particular, a Visual Kind of Continuous Sensation and Memory or a Visual Continuous Sensation and Memory, an Auditory Kind of Continuous Sensation and Memory or a Auditory Continuous Sensation and Memory, and so on.
    Moreover, in the same kind of continuous sensation and memory, there function its own source, replay, and processing functions which will be explained later. For example, there function visual source, visual replay, and visual processing functions in a visual kind of continuous sensation and memory.
    Of course, the details of memories will be explained in the chapter "MEMORIES". In addition, not only each kind of memory but also the integration of kinds of memories.

SOURCES OF APPEARING THINGS

    Every appearing thing is premised to be caused by making some things in themselves a source. Some things in themselves which are premised to cause an appearing thing as a source can be called the "Source of the Appearing Thing" or the "Appearing Thing's Source". In addition, in general, the source of things appearing on a sensation can be called the Sensation's Source, and in particular, the visual sensation's source, the auditory sensation's source, and so on. In addition, the source of a thing appearing as an image, a sensory image, an individual image, or so can be called the Image's Source, the Sensory image's Source, the Individual Image's Source, or so. For example, the source of things appearing on a visual sensation, that is, visual sensation's source is the photons which reach the retinae, the material things and their functions which reflect, permeate, and refract the photons reaching the retinae, the neural group's excitement and transmission from the retinae to optic nerves to visual areas on occipital lobes, and so on. Moreover, the source of an appearing thing is also called a "Thing" in these books. That is, the words "a thing" sometimes designate the source of an appearing thing in these books.
    It is premised that no appearing things are caused only by sources. It is premised that no appearing things would be caused if no neural functions replayed or treated sources. Excluding sensory groups, it is only neural functions that can replay or treat neural functions. A part of a source needs to be neural functions so that neural functions can replay or treat it. The part of the source of an appearing thing which is neural functions can be called the "Neural Source" of the appearing thing. For example, the neural group's excitement and transmission from the retinae to optic nerves to visual areas on occipital lobes, and so on is the neural source of things appearing on a visual sensation.
    Every neural source is a neural group's excitement and transmission or activation and activity. The details will be explained later.
    Anyway, some neural groups need to be generated and to exist so that their excitements and transmissions, activities, and so on can function. The functioning of a neural group's excitement and transmission or activation and activity as a neural source through can be called the neural source's "Going", Coming, or Flowing through the neural group. The following are the examples of the neural groups which some neural sources go through. In a visual sensation, the neural group from the retinae to optic nerves, crossing, to visual areas on occipital lobes. In an auditory sensation, the neural group from the inner ears to acoustic nerves, not crossing, to auditory areas on the temporal lobes. In a somatic sensation, the neural group from the skins, bones, striated muscles, or tendons to sensory nerves in a narrow sense, crossing, to sensory areas in a narrow sense on parietal lobes.
    In addition, when the neural groups which neural sources go through diverge or converge, the neural sources can diverge or converge, too. When they diverge, one neural source can cause more than one identical one. When they converge, some of them can disappear. In addition, when the neural group which a neural source go through has a disorder, at least a part of it can disappear.
    The sensory group's part of a neural source is also called a "Sensory Group's Source", and it is distinguished from sensations' sources which were defined earlier in these books. Sensory groups' sources are included in neural sources. The following are the examples of some sensory groups' sources. In a visual sensation's source, the sensory group's excitement and transmission in the retinae. In an auditory sensation's source, that in the inner ears. In a somatic sensation's source, that in the skins, bones, striated muscles, and tendons.
    The part of a source excluding the neural source can be called a "Material and Bodily Source". The following are examples of material and bodily sources. In a visual sensation's source, light sources→photons→material things' reflectance, transmittance, and index of refraction→photons. In an auditory sensation's source, sound sources→the frequency and amplitude of their vibration→sound waves. In a somatic sensation's source, pressures to, heats to, and inflammations in the skins, bones, striated muscles, and tendons.
    In such ways, every source includes bodily functions. For example, an autonomic sensation's source includes the blood concentration of oxygen, that of glucose, and osmotic pressures. They are premised to cause dyspnea, hunger, and thirst respectively.
    It is premised that some parts of a material and bodily source are represented as an appearing thing, that no other parts are, and that no neural sources are. As for neural sources, simply, I have never seen my brain or nerves directly. Though I sometimes have a slight headache, what is represented as it is the stretch or vibration of the blood vessels, and it is not a neural source but a part of the material and bodily source. As for material and bodily sources, unless I look at the sun directly, it is not seen. In such a way, we rarely see light sources in the daytime. In contrast, material things' reflectance, transmittance, and index of refraction are premised to be represented as things appearing on visual sensations, the frequency and amplitude of material things' vibration are premised to be represented as things appearing on auditory sensations, and skins' inflammation are premised to be represented as things appearing on somatic sensations. The parts of the material and bodily source of an appearing thing which are premised to be represented as the appearing thing can be called the "Represented Source" of the appearing thing. For example, material things' reflectance, transmittance, and index of refraction are visual sensations' represented sources, the frequency and amplitude of material things' vibration are auditory sensations' represented sources, and pressure to, heat to, and inflammation in the skins, bones, striated muscles, and tendons are somatic sensations' represented sources.

THE SAME KIND OF CONTINUOUS SENSATION AND SENSORY IMAGE'S SOURCE

    As will be closely explained in the chapter "MEMORIES", in the same kind of continuous sensation and memory, some parts of the sensation's source are grasped and cut, and the individual images sources are generated. In other words, closely, some parts of the sensation's source and the individual images' sources are continuous, and largely, the sensation's source and the sensory image's source are continuous. For example, in a visual kind of sensation and memory, the visual sensation's source and the visual sensory image's source are continuous, and in an auditory kind of sensation and memory, the auditory sensation's source and the auditory sensory image's source are continuous. Accordingly, in things appearing on the same kind of sensation and sensory image, it is premised that the sensory image is similar to things appearing on the sensation though the former are not as clear as the latter are. For example, a person's face appearing as an individual visual image is similar to the person's face appeared on a visual sensation in the past. The sensation's source and the sensory image's source which are continuous in such ways in the same kind of continuous sensation and memory can be called the "Same Kind of Continuous Sensation and Sensory Image's Source" in general, and in particular, a Visual Kind of Continuous Sensation and Sensory Image's Source, an Auditory Kind of Continuous Sensation and Sensory Image's Source, and so on.

THE MAIN PROPERTIES OF NEURAL SOURCES

    The following are the main properties of neural sources.

(1)SELECTIVE NEURAL GROUPS' EXCITEMENTS AND TRANSMISSIONS=SPATIALLY RETAINED NEURAL GROUPS' EXCITEMENTS AND TRANSMISSIONS

    In a selective neural group's excitement and transmission, that is, spatially retained neural groups' excitements and transmissions which were explained earlier, the spatial relative positions and arrangements of actually joining neural cells' excitements and transmissions are retained. From the beginning, appearing "forms" or "patterns" are premised to be caused by such retention. Otherwise, it is premised that, for example, some things appearing on visual sensations would be distorted, and more concretely that a ball looks like an amoeba.
    In addition, in a selective neural group's excitement and transmission, some actually joining neural cells excite and transmit, and the others do not. Therefore, it is premised that subtle brightness or darkness in sights, loudness or quietness in sounds, strength or weakness in pains, and so on appear. Each of such appearing quantities is premised to be caused by concentration of a neural group's excitement and transmission. It is necessary for some actually joining neural cells in a neural group to excite and transmit and for the others in it not to excite or transmit so that some concentration can be caused.

(2)NEURAL GROUPS' INSTANT EXCITEMENTS AND TRANSMISSIONS

    In every neural group's instant excitement and transmission which was explained earlier, the temporal relative positions, temporal arrangements, and their changes of actually joining neural cells' excitements and transmissions are retained. Otherwise, it is premised that, for example, the limbs' movement of a running animal of forelimbs forward and hindlimbs backward, then forelimbs backward and hindlimbs forward, and so on appearing on a visual sensation sometimes become that of forelimbs forward and hindlimbs forward, then forelimbs backward and hindlimbs backward, and so on.
    In addition, in every neural group's instant excitement and transmission, the frequencies of neural cells' excitements and transmissions are retained. The qualities of material and bodily sources are converted into the frequencies of neural groups' excitements and transmissions by sensory groups, and such qualities as frequencies are retained in neural groups' instant excitements and transmissions.

(3)A SENSORY GROUP'S CONVERSION FROM A MATERIAL AND BODILY SOURCE INTO A NEURAL SOURCE

    At the beginning of a sensation's neural source, some functions of the sensory group convert the material and bodily source's quality like waves' frequencies into the frequency of the neural group's excitement and transmission, and they convert its quantities like waves' amplitudes into the concentration of the neural group's excitement and transmission. Such a conversion can be called the Sensory Group's "Conversion" from the material and bodily source into the neural source or the Sensory Group's Converting the material and bodily source into the neural source. For example, in a visual sensation, the sensory group in the retinae converts colors into the frequency of the neural group's excitement and transmission from them to optic nerves to visual areas on occipital lobes and converts brightness into its concentration.

(4)SELECTIVE AND SPECIALIZED NEURAL GROUPS' ACTIVATIONS AND ACTIVITIES

    Only when transmitted to with a certain frequency, some neural cells excite and transmit with that frequency, are activated, retain the activities, and will excite and transmit with that frequency next time they are transmitted to with that frequency. Such neural cells are called "Selective and Specialized" neural cells in these books. In addition, a neural group which consists of such neural cells is called a "Selective and Specialized" neural group in these books.
    As will be explained in the chapter "MEMORIES", some images' sources need to be memorized and stored so that they can be recollected after a while. Some sources are not only sensed or recollected but also memorized and stored. Some qualities of material and bodily sources are converted into some frequencies of neural sources. Some selective and specialized neural groups need to be activated, to retain the activities, and to excite and transmit with that frequencies so that neural sources containing qualities can be memorized, stored, and recollected.

(5)THE ACTIVATION AND ACTIVITIES AND EXCITEMENTS AND TRANSMISSIONS OF THE NEURAL WAYS AMONG INDIVIDUAL IMAGES' SOURCES

    There are a lot of neural ways among individual images' sources. However, such ways among them are not activated innately. Such ways among them are activated acquiredly on the basis of temporal closeness. Next time some individual images' sources are grasped or arise, the activated ways excite and transmit, and some others arise. As a result, individual images' sources are recollected spatially and temporally closer, and they compose complex images. It is premised that complex images are caused in such a way. The details will be explained in the chapter "MEMORIES." By the way, it is those neural ways, image to emotion neural ways, and image to function neural ways which will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS" that are important in these books. When their distinction need to be emphasized, neural ways among individual images' sources are called Image to Image Neural Ways in these books.

(6)THE CONSISTENCY OF THE SAME KIND OF SOURCE

    In the same kind of continuous sensation and memory, its own functions as follows function.

Its neural source excluding neural ways among individual images' sources
Its replay, which will be explained later.
Its processing functions, which will be explained later.
Most of the functions involved in a memory which will be explained in the chapter "MEMORIES".

    In the same kind of continuous sensation and memory, some parts of the sensation's source are grasped and cut, and the individual images' sources are generated, and so the sensation's source and the sensory image's source are continuous. Such continuous sensation's source and sensory images' source could be called the Same Kind of Continuous Sensation and Sensory Image's Source in general, and in particular, a Visual Kind of Continuous Sensation and Sensory Image's Source, an Auditory Kind of Continuous Sensation and Sensory Image's Source, and so on. Most part of the same kind of continuous sensation and sensory image's source is a selective neural group's instant excitement and transmission(1)(2), and so in it, the neural source's qualities as frequencies, quantities as concentrations, spatial and temporal positions, spatial and temporal arrangements, and their changes are retained consistently. This can be called the "Consistency of the Same Kind of Source".

(7)The Consistency OF DIFFERENT KINDS OF SOURCES

    In things appearing on sensations, things appearing on different kinds of sensations appear spatially and temporally closer. For example, another person's face appearing on a visual sensation with both eyes and his or her spoken words appearing on an auditory sensation with both ears appear spatially and temporally closer. Simply, his or her spoken words are heard from his or her mouth. In a thing appearing on a perception, some parts appearing on a kind of sensation and different kinds of individual sensory images appear spatially and temporally closer. For example, another person's face appearing on a visual sensation with both eyes and his or her name appearing as individual auditory images as if with both ears appear spatially and temporally closer. In a complex image, different kinds of individual sensory images appear spatially and temporally closer. For example, another person's face appearing as individual visual images as if with both eyes and his or her spoken words appearing as individual auditory images as if with both ears appear spatially and temporally closer. The neural functions which cause such spatial and temporal closeness of different kinds of appearing things can be called the "Consistency of Different Kinds of Sources". It is premised to be different kinds of sensation and sensory image sources' meeting or paralleling somewhere in the central neural system, perhaps in the parietal lobes.
    The consistency of the same kind of source and that of different kinds of sources can be called the Consistency of Sources.

    In summary, the main properties of neural sources are selective neural groups' excitements and transmissions, neural groups' instant excitements and transmissions, sensory groups' conversions, selective and specialized neural groups' activation and activity, the activities, and excitements and transmissions of the neural ways among individual images' sources, the consistency of the same kind of source, the consistency of different kinds of sources.

COMPLEX IMAGES' SOURCES

    Every complex image's source has all the main properties of neural sources explained above. Above all, the activation and activities and excitements and transmissions of the neural ways among individual images' sources are important. By them, many individual images' sources are recollected spatially and temporally closer, and so a complex image is premised to be caused.
    In contrast, no sensations' sources involve any selective and specialized neural groups' activation, activity, or any activation, activity, excitements, or transmissions of the neural ways among individual images' sources. In this sense also, sensations are more primitive functions of animals than memories are. However, if no sensations were generated, no memories could be generated.

REPLAYS OF SOURCES

    It is premised that no appearing things could be caused only by sources. It is premised that no appearing things could be caused if no neural functions treated and changed neural sources into appearing thing. Some neural functions which treat and change a neural source into appearing things can be called the "Replay" of the source or Replaying the source.
    Replays are the hardest or impossible to make clear. The border between sources and replays is vague, and they overlap. It is possible that some replays begin with some sensory groups' excitements and transmissions. Then, sensory cells are as important as neural cells are. Moreover, it is possible that replays are intrinsic to neural cells' and sensory cells' excitements and transmissions in themselves. Moreover, it is possible that their excitements and transmissions in themselves are replays.
    As was explained earlier, the same kind of continuous sensation and memory has the same kind of continuous sensation and sensory image' source. As for replays, things are a little different. Different kinds of sensations have different kinds of replays, and different kinds of memories have different kinds of replays. Even in the same kind of sensation and memory, the replay of the sensation's source and that of the sensory image's source are different and are not continuous. For example, in a visual kind of sensation and memory, the replay of the visual sensation's source and that of the visual sensory image's source are different and are not continuous.
    However, in the same kind of continuous sensation and memory, the replay of the sensation's source and that of the sensory image's source are not the same but alike, and are not in the same place but in close places. For example, in a visual kind of sensation and memory, the replay of the visual sensation's source and that of the visual sensory image's source are alike and in close places. For example, though extreme, it is possible, because of the disorders of some neural functions, that visual hallucination is caused when the visual sensory image's source which usually reach its own replay reaches that of the visual sensation's source which is close to its own, and that auditory hallucination is caused when the auditory sensory image's source which usually reach its own replay reaches that of the auditory sensation's source which is close to its own.

PROCESSING FUNCTIONS OF SOURCES

    Some functions which process a neural source in some ways other than replays can be called the "Processing Functions" of the source or Processing the source.
    For example, things appearing on a visual sensation with both eyes are cubic and beyond both eyes, and some neural functions which make them so are a processing function of a visual sensation's source. The same applies to things appearing on auditory sensations with both ears and things appearing on olfactory sensations with both nasal cavities. Though the third's being cubic and beyond both nasal cavities are vague in human beings, it must be clearer in some other animals like dogs, cats, and so on. Because, otherwise, they could not chase their pray or run away from their natural enemies. Human olfactory sensations were more clear once upon a time, and they must have degenerated.
    It is premised that a pair of neural groups' excitement and transmission, the functions processing the pair, and their replay cause things appearing beyond a sensory organ.

SOURCES' SPACES

    The space where the source of an appearing thing exists and functions can be called the Source's Space of the appearing thing.
    As was defined earlier, the part of the source of an appearing thing which is premised to be represented as the appearing thing could be called the Represented Source of the appearing thing. Moreover, the part of the source's space of an appearing thing which is premised to be represented as the appearing things can be called the Represented Source's Space of the appearing things. The whole of the represented source's space of things appearing on a visual sensation with both eyes is what is called the "visual field". The whole of the represented source's space of things appearing on a kind of sensation can be called the "Sensation's Field" in general, and, in particular, the Visual (Sensation's) field, the Auditory (Sensation's) field, and so on. In addition, the whole of the represented source's space of things appearing as a kind of sensory image can be called the "(Sensory) Image's Field" in general, and in particular, the visual (sensory) image's field, the auditory (sensory) field, and so on.
    The following are some examples of the width and depth of sensations' fields.
○Visual Field with Both Eyes
    The space of 180°ahead in human beings, light-years.
○Auditory Field with Both Ears
    The space of 360° around, kilometers.
○Olfactory Field with Both Nasal Cavities
    The space of 360° around, meters in human beings.
○Balancing Field
    The space of the head.
○Taste Field
    The space of the tongue.
○Somatic Field
    The space of the skins, bones, striated muscles, tendons, ligaments.
○Autonomic Field
    The space of the mucous membranes, cardiac muscles, smooth muscles, and so on.

    While the spaces of represented sources are included in things in themselves, they are premised to be represented as appearing things, and they appear. For example, the space containing the sea, the horizon, and the sky appears on a visual sensation with both eyes.

OVERLAPS OF REPRESENTED SOURCES' SPACES

    First, in things appearing on the same kind of sensation and sensory image, it appears that the represented source's space of the things appearing on a sensation and those of the sensory image overlap. For example, when I see a person for the first time in years and when I think that he or she has grown a little older, in things appearing on visual kind of sensation and sensory image, his or her present face appearing on a visual sensation with both eyes and his or her years ago's face appearing as a visual sensory image as if with both eyes overlaps. In such a way, I know his or her aging. Such overlap is caused by the consistency of the same kind source which was explained earlier.
    Moreover, in the different kinds of appearing things, it appears that some represented sources' spaces overlaps. For example, birds' chirps appearing on an auditory sensation with both ears are heard from the space of the forest appearing on a visual sensation with both eyes. Such overlap is caused by the consistency of different kinds of sources which was explained earlier.

SENSATIONS AND RECOLLECTIONS OF SENSORY IMAGES ON SENSORY ORGANS

    In each of [s1-1] visual sensation with one eye, [s2-1] auditory sensation with one ear, [s3-1] olfactory sensation with one nasal cavity, [s4] balancing sensation, [s5]palatal sensation, [s6] somatic sensation, [s7] autonomic sensations, [i1-1] recollection of a visual sensory Image with one eye, [i2-1] recollection of an auditory sensory image with one ear, [i3-1] recollection of an olfactory sensory image with one nasal cavity, [i4] recollection of a balancing sensory image, [i5] recollection of a taste sensory image, [i6] recollection of a somatic sensory image, and [i7] recollection of autonomic sensory images, the represented source's space is the same as the sensory group's source's space, that is, the space where the sensory group exists and functions. [s1-1]-[s6] can be called Sensations "on Sensory Organs", and [i1-1]-[i6] can be called Recollections of Sensory Images as if on a Sensory Organ.

SENSATIONS AND RECOLLECTIONS OF SENSORY IMAGES BEYOND SENSORY ORGANS

    In each of [s1-2] visual sensation with both eyes, [s2-2] auditory sensation with both ears, [s3-2] olfactory sensation with both nasal cavities, [i1-2] recollection of a visual sensory image with both eyes, [i2-2] recollection of an auditory sensory image with both ears, and [i3-2] recollection of an olfactory sensory image with both nasal cavities, the represented source's space is not the same as the sensory group's source's space, that is, the space where the sensory group exists and functions, and the appearing things which it is premised to cause are cubic and beyond the sensory group's source's space. [s1-2]-[s3-2] can be called Sensations "Beyond Sensory Organs", and [i1-2]-[i3-2] can be called the Recollections of Sensory Images as if Beyond Sensory Organs.
    As was explained earlier, each of them is a pair of neural sources, whether they cross or not, neural functions processing the pair, and a replay.

SOURCES OR THINGS' BEING SENSED AND BEING RECOLLECTED AS IMAGES

    A sensation source's being replayed can be called the source or thing's "Being Sensed", a complex image's source's being replayed can be called the sources or thing's "Being Recollected" as a Complex Image or Being Recollected simply, a perception's source's being replayed can be called the source or thing's "Being Perceived", and an association's source's being replayed can be called the source or thing's "Being Associated". In addition, a complex image's source, a perception's source, or an association's source's being replayed is also called the source or thing's Being Recollected as an image or Being Recollected simply in these books. That is, the words "a thing" sometimes designate the source, and the words "a thing's being recollected as an image" sometimes designate the things' being recollected as a complex image, being perceived, or being associated in these books.
    As was explained earlier, it is probable that neural sources and replays overlap. Whether the latter overlap or do not overlap with the former, the latter are premised to cause appearing things directly. Accordingly, it is premised that things appearing on sensations are caused whenever their sources are sensed, and that things appearing as images are caused whenever their sources are recollected as images. Accordingly, that a thing is sensed and that the thing appearing on sensation is caused are also called the thing's being sensed, that a thing is recollected as a complex image and that the thing appearing as a complex image is caused are also called the thing's being recollected as a complex image, that a thing is perceived and that the thing appearing on a perception is being caused are also called the thing's being perceived, and that a thing is associated and that the thing appearing on an association is caused are also called the thing's being associated in these books. In addition, a thing's being recollected as a complex image, being perceived, or being associated in those senses are also called the thing's Being Recollected as an image or its Being Recollected in these books.
    In addition, the sources which have been sensed, are being sensed, or are to be sensed can be called Sensed Sources or Sensed Things, and the same can apply to Sources or Things Recollected as Complex Images, Perceived Sources or Things, Associated Sources or Things, and Sources or Things Recollected as Images in these books. In addition, Sources Recollected as Images are also called Recollected Images in these books. That is, the word of images sometimes designates their sources in these books. In addition, sensed sources and the things appearing on a sensation which are premised to be caused by that sources are also called Sensed Sources or Things, and the same apply to Sources or Things Recollected as Complex Images, Perceived Sources or Things, Associated Sources or Things, Sources or Things Recollected as Images, and Recollected Images in these books.
    That the sources which are premised to cause things appearing on a sensation intensely or faintly are sensed can be called the sources or things' being sensed intensely or faintly, and that the sources which are premised to cause things appearing as images intensely or faintly are recollected can be called the sources or things' being recollected as images intensely or faintly. A neural source whose concentration, resolution, or extent is large or small can be sensed or recollected intensely or faintly. For example, a visual sensation's source whose concentration is large can be sensed brightly. Though some parts of a sensation's source and individual images' sources are continuous, their intensities are not always interrelated. For example, sometimes, a person who was sensed far away on a visual sensation with both eyes is close recollected as an image, and some spoken words which were sensed quietly are loudly recollected as images.

THE FLOW OF SOURCES

    Neural sources are neural groups' excitements and transmissions or activations and activities. Those excitements and transmissions can be looked upon as their going or flowing through those neural groups. Those activations and activities are their being memorized and stored and can be looked upon as their resting. Moreover, neural sources sometimes disappear when their neural groups have some disorders. In addition, when neural groups converge or diverge, they sometimes do so, too. When they converge, some of them go through, and the others disappear. When they diverge, one neural source sometimes generates more than one identical one. In addition, some neural groups' excitements and transmissions which can no longer be called neural sources diverge from some neural sources. In addition, in the same kind of continuous sensation and memory, the sensation's source and the sensory image's source are continuous. Such a continuous source could be called the same kind of continuous sensation and sensory image's source. Let us look over the first half of such continuous sources' flow, disappear, convergence, and divergence.
    If the sensory group does not convert the material and bodily source into the neural source, none of the source is sensed. For example 1, when the eyes are tightly closed, nothing can be seen. For example 2, when the retinae have some disorders, at least a part of the visual field has a defect. In contrast, most of the sensation's neural source which has already been generated is usually sensed. If its considerable part is not sensed, it is caused by some neurological disorders. For example, if the optic nerves have some disorders owing to a pituitary tumor, at least a part of the visual field has a defect.
    Some neural groups' excitements and transmissions diverge from some sensation's neural sources and cause some reflexive or autonomic functions. As for reflexes, for example, some sensory nerves in a narrow sense diverge and join to some motor nerves, and their excitements and transmissions cause tendon reflexes. As for autonomic functions, from the beginning, autonomic nerves diverge wildly, and their excitements and transmissions cause various autonomic functions like the increase or decrease of the heart rate, respiratory rate, blood pressure, and so on.
    The following (1)(2)(3) can be distinguished in the flow.

(1) The part of a neural source which has not been sensed yet
(2) That which is being sensed, that is, being replayed
(3) That which has already been sensed and has not been recollected yet
(4) That which is being recollected, that is, being replayed.
(5) That which has already been recollected

(1)(2) is a sensation' s source. (3)(4)(5) will be explained closely in the following chapter. (5) causes feelings, desires, egos, and so on which will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS".
    Anyway, the time cost in (1)(2)(4)(5) is milliseconds, and that cost in (3) is from milliseconds to tens of years. That is because (3) contain some stored sources.

MEMORIES

AT THE BEGINNING OF THIS CHAPTER

    Very simply, some parts of a sensed sensation's source is memorized, stored, and recollected. Accordingly, though the function from after the sensation to the recollection can be called a "Memory", because the sensation's source and the sensory image's source are continuous, there is the same kind of memory continuing from each kind of sensation in the following way.

[m]A Kind of memory = a memory
  [m1]A visual kind of memory = a visual memory
    [m1-1]A visual kind of memory as if with one eye = a visual memory as if with one eye
    [m1-2]A visual kind of memory as if with both eyes = a visual memory as if with both eyes
  [m2]An auditory kind of memory = an auditory memory
    [m2-1]An auditory kind of memory as if with one ear = an auditory memory as if with one ear
    [m2-2]An auditory kind of memory as if with both ears = an auditory memory as if with both ears
  [m3]An olfactory kind of memory = an olfactory memory
    [m3-1]An olfactory kind of memory as if with one nasal cavity = an olfactory memory as if with one nasal cavity
    [m3-2]An olfactory kind of memory as if with both nasal cavity = an olfactory memory as if with both nasal cavities
  [m4]A balancing kind of memory = a balancing memory
  [m5]A taste kind of memory = a taste memory
  [m6]A somatic kind of memory = a somatic memory
  [m7]Autonomic kinds of memories = autonomic memories

    However, the difference of importance and clearness among species of animals is very large in the above. In human beings, because they hear, speak, read, and write words, visual and auditory kinds are very important and clear and overwhelm or replace the other kinds, and so the others hardly exist or function. Accordingly, most of the explanation in this chapter is that of visual and auditory memories. In other species, it is probable that the other kinds are more important and clear, and that olfactory memories are developed above all in some species of terrestrial vertebrates.
    Most of the functions which will be explained in this chapter function in each kind of memory. A few functions function beyond each kind. In this chapter, if there are no words like "functioning in each kind of memory", the sentences will mean it. When some functions "function beyond each kind", such words will never be omitted.
    The following words of grasp, cut, memorization, storage, generation, arousal, recollection, and so on designate countable functions which function in each neural group in a diverging and converging neural group. For example, if there are a hundred unitary neural groups in a diverging neural group, there can be a hundred or less of memorizations, or storages. Accordingly, they are used as countable nouns in these books.
    Each memory consists of the following functions.

EACH KIND OF MEMORIAL NEURAL GROUP DIVERGING ONE AFTER ANOTHER

    ln the same kind of continuous sensation and memory, a sensed sensation's source and some recollected individual images' sources go through a neural group diverging one after another. Such diverging neural group can be called (Each Kind of) "Memorial" Neural Group Diverging (One after Another). There is one diverging memorial neural group in each kind of memory. However, there is one pair in each of the memories which continue from sensations beyond sensory organs like a visual memory as if with both eyes, an auditory memory as if with both ears, and so on.

INDIVUDUAL IMAGES' GRASPS AND CUTS

    While a sensed sensation's source or some recollected individual images' sources go through each kind of memorial neural group diverging one after another, some properties like frequencies, spatial arrangements, temporal arrangements, and their changes, and so on which each of some parts of them has are grasped, and those parts are classified by some neural functions on the basis of similarity one after another. This can be called the Individual Image's (Source's) "Grasp" or Being Grasped. For example 1, in a visual kind of memorial neural group diverging one after another, the spatial arrangement of a mouth, a nose, two eyes, two ears, and a head which the part of a mammal's face of the visual sensation's source has is grasped, and that part is classified as a mammal's face. Next, the size of the head, the quantity of hair, and so on are grasped, and that part is classified as the face of an ape, human being, or so. For example 2, the spatial arrangement of having a head and four limbs is grasped, its temporal change of walking on two legs is grasped, the degree of doing so upright is grasped, and that part is classified as the body of an ape, human being, or so.
    In addition, while a sensed sensation's source or some recollected individual images' sources go through each kind of memorial neural group diverging one after another and while some properties which some of their parts have are grasped and those parts are classified one after another, some parts are cut by some neural functions, the others go through uncut. This can be called the Individual Image's (Source's) "Cut" or Being Cut. For example, the parts of the face and the body are cut in the above examples.
    After grasped and cut in such ways, individual images' sources are generated. For example, after the properties of the spatial arrangement of a mouth, a nose, two eyes, two ears, a head, and so on are grasped and that part is grasped and after that part is cut away off the background of the sky, the forest, town, and so on, an individual image's source of a certain human being's face is generated. An individual image's (source's) grasp and cut can also be called the Individual Image's (Source's) Generation, Being Generated. An individual image' generation consists of its grasp, classification, and cut. In addition, an individual image's source which is being or has just been grasped, classified, and cut can be called the individual image's "Generated" Source.
    More than one individual image's source is usually generated from a sensed sensation's source. For example, individual images' sources of his or her face, body, hair, and clothes are generated from a certain person sensed on a visual sensation.

INDIVIDUAL IMAGES' MEMORIZATIONS AND STORAGES

    Individual images' generated sources are memorized and stored in the following way.
    There exist and function some selective and specialized unitary neural groups, which were explained earlier, in each kind of memorial neural group diverging one after another which individual images' generated sources go through. While an individual image's generated source goes through a memorial diverging neural group, it activates a selective and specialized unitary neural group. That is, each neural cell in an individual image's generated source which excites and transmits with a certain frequency activates a neural cell in a selective and specialized neural group which has the capability of being activated and exciting and transmitting with that frequency. This can be called the Individual Image's (Sources') "Memorization" or Being Memorized.
    While it decrease and increase by reactivation, the activity of the selective and specialized unitary neural group where an individual image's source has been memorized is retained. This can be called the Individual Image's (Source's) "Storage" or Being Stored.
    In addition, an individual image's (source's) memorization and storage can be called an Individual Image's (Source's) Memorization and Storage or Being Memorized and Stored.
    In addition, the activation and activity of the selective and specialized unitary neural group where an individual image' source is memorized and stored can be called the individual image's "Stored" Source.
    An individual image's source's generation, memorization, and storage can be called an Individual Image's (Source's) generation, memorization, and storage or Being Generated, Memorized, and Stored.

INDIVIDUAL IMAGES' GRASPS, MEMORIZATIONS, AND STORAGES ON THE BASIS OF SIMILARITY

    In each kind of memorial neural group diverging one after another, individual images' sources are grasped, classified, memorized, and stored. As is the most important, it is in a neural group diverging one after another that they are done so. Accordingly, similar individual images' sources are memorized and stored in close places. This can be called individual images' (sources') Grasps, Memorizations, and Storages or Being Grasped, Memorized, and Stored "on the Basis of Similarity". Accordingly, similar images' sources arise and can be recollected spatially and temporally close. For example, in a visual kind of memorial neural group diverging one after another, to a certain person's individual images' sources, other persons' are closer than other animals' are. Accordingly, the individual images' sources of human beings arise and can be recollected spatially and temporally closer than those of other animals do and can. When we classify things, we sometimes use "tree structures", which have already existed and functioned in memories.

EACH KIND OF MEMORIAL NEURAL GROUP CONVERGING ON THE REPLAY

    When some neural groups memorizing and storing some individual images' sources excite and transmit, those individual images' sources proceed to the replay. This is their arousals. However, because every replay is a very subtle function, it cannot replay all the arising individual images' sources, and the neural ways from the neural groups memorizing and storing individual images' sources to the replay converge. Such neural ways can be called "Each Kind of Memorial Neural Group Converging to the Replay" or a Memorial Neural Group Converging to the Replay. In addition, each kind of memorial neural group diverging one after another and memorial neural group converging to the replay can be called "Each Kind of Memorial Neural Group Diverging and Converging" or a Memorial Neural Group Diverging and Converging. After all, memorial neural groups diverge and converge.

ACTIVATIONS AND ACTIVITIES OF THE NEURAL WAYS AMONG INDIVIDUAL IMAGES' SOURCES ON THE BASIS OF TEMOPORAL CLOSENESS

    Not only among the branches of each kind of memorial neural group diverging and converging, and but also among the branches of different kinds of them, there exist and function some, actually many, neural ways. They are not activated innately but activated acquiredly on the basis of temporal closeness when some individual images' sources are grasped and memorized temporally close. Next time some of the individual images' sources are grasped or arise, some of the others arise. Because they are not only among the same kind of but also among different kinds of memorial neural groups diverging and converging, not only the same kind but also different kinds of individual images' sources arise and can be recollected through them, and they are beyond each kind of memory. Such neural ways can be called the "Neural Ways among Individual Images(' sources)" (on the Basis of Temporal Closeness), those among the same kind can be called the Neural Ways among the "Same Kind" of Individual image's source, and those among different kinds can be called the Neural Ways among "Different Kinds" of Individual Images' Sources. In addition, when they are contrasted with image to emotion neural ways and image to function neural ways which will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS", they can be called "Image to Image Neural Ways". In addition, their being activated acquiredly can be called their (acauired) "Formation" or Being Formed (acquiredly).
    Again, the neural ways among individual images' sources are not activated innately but activated acquiredly on the basis of temporal closeness when some individual images' sources are grasped and memorized temporally close. Next time some of them are grasped or arise, some of the others arise. Moreover, because they are also among different kinds of memorial neural groups, different kinds of individual images' sources arise and can be recollected through them. As will be explained later, only by memorial neural groups and consistency of sources, individual images' sources can be recollected spatially and temporally closer, and recollections of complex images and associations can be caused. However, they cannot be caused beyond each kind of memory, and associations can hardly be caused. For example, the recollected angry mother to an infant is either a fierce face or a fierce voice, and the aftermath of being beaten and some pain's being caused cannot be associated. For the first time by the activations and activities and excitements and transmissions of some neural ways among individual images' sources, it is possible that its mother's face are recollected together with her voice and that that aftermath is associated.
    Anyway, the neural ways among individual images' sources are the first functions that are beyond each kind of sensation, memory, or so.

THE LOCATION OF MEMORIAL NEURAL GROUPS

    Each kind of memorial neural group diverging and converging is, together with the same kind of sensation and replay, localized to a pair of lobes in the cerebrum. For example, a visual kind of memorial neural group diverging and converging is, together with the visual sensation and replay, localized to the pair of occipital lobes, and an auditory kind is, together with the auditory sensation and replay, localized to the pair of temporal lobes.
    Also the neural ways among the same kind of individual images' sources are, together with them, localized to a pair of lobes.
    In contrast, the neural ways among different kinds of individual images' sources are among different pairs of lobes, and their axons are in the cerebral medulla.

INDIVIDUAL IMAGES' SOURCES' AROUSALS

    The excitement and transmission of the unitary neural group memorizing and storing an individual image's source and the source going through a memorial converging neural group to the replay can be called the individual image's (source's) Arousal or Arising. In addition, an individual image's source which is arising can be called the individual image's arising source.
    Not all individual images' arising sources are replayed or recollected because they go through a memorial neural group diverging, a few of them reach the replay, and the others disappear.

INDIVIDUAL IMAGES' SOURCES' AROUSALS ON THE BASIS OF GRASP AND SIMILARITY

    When some parts of a sensed neural source and some recollected images' sources are grasped, while some individual images' sources are newly generated, memorized, and stored or renewed,

some neural groups which diverges from the neural groups which do those grasps in a memorial neural group diverging one after another excite and transmit as neural ways,

the unitary neural groups memorizing and storing individual images' sources which their excitements and transmissions reach excite and transmit,

and some, actually many, individual images' sources arise on the basis of grasp and similarity.

This can be called individual images' sources' Arousals or Arising "on the Basis of Grasp and Similarity". For example, when a particular human being is grasped, a lot of other particular ones arise and are recollected on the basis of similarity, and the complex images of general human beings are recollected. In this way, that particular human being is recognized as a thing belonging in general human beings. That is because the same species of living things are usually more similar to one another than different species are.
    Individual images' sources' arousals or arising on the basis of grasp and similarity make it possible to classify particular things into general things and to recognize the latter properties. For example, it is not that this or that particular tiger is dangerous, but that general tigers are so. If we always examined whether each individual is dangerous or not, we could not survive.
    Individual images' arousals on the basis of grasp and similarity are caused in each kind of memory.

INDIVIDUAL IMAGES' SOURCES' AROUSALS ON THE BASIS OF ACTIVATED NEURAL WAYS AND TEMPORAL CLOSENESS

    As was explained in the above section, (1) some parts of each kind of memorial neural group diverging and converging excite and transmit, and some individual images' sources are grasped, memorized, and stored, and arise. (2) Their excitements and transmissions cause the excitements and transmissions of the activated neural ways among the same and different kinds of individual images' sources, and their excitements and transmissions cause some parts of the same and different kinds of memorial neural groups diverging and converging. (1') Their excitements and transmissions cause some individual images sources' grasps, memorizations, storages, and arousals. (2') Their excitements and transmissions cause those of activated neural ways among the same and different kinds of individual images' sources. (1)(2)(1')(2')(1'')... go on. By the repetition of (1)(2)(1')(2')(1'')..., more than one, practically, a lot of the same and different kinds of individual images' sources can arise and be recollected spatially and temporally close, and complex images can be recollected. Moreover, associations are made possible.
    (Ⅰ) The neural ways among individual images' sources in (2) are activated when the individual images' sources which they link are generated temporally close. Moreover, when some of those individual images sources arise, those activated neural ways excite and transmit, and the other individual images' sources arise, too. Accordingly, (2)(1') can be called Individual Images' ( Sources' ) Arousals "on the Basis of Activated Neural Ways and Temporal Closeness".
    (Ⅱ) Moreover, they link some parts of not only the same kind of memorial neural group diverging and converging but also different kinds, their excitements and transmissions make it possible that not only the same kind but also different kinds of individual images' sources are recollected spatially and temoporally close. That is, they make it possible that a complex image consists of different kinds of individual images. That is, they make it possible that images are beyond each kind.
    (Ⅲ) By the way, temporal closeness has already been maintained by the consistency of sources which was explained earlier.
    The above (Ⅰ)(Ⅱ)(Ⅲ) make, for example, the following happening in an infant's neural system possible. Its mother's fierce voice is perceived auditorily, her fierce face is recollected visually by (Ⅱ), her arms starting to beat it is recollected visually by (Ⅰ)(Ⅲ), the pain caused by the beats is recollected as if on a somatic sensation by (Ⅰ)(Ⅱ).
    Some of the happenings which are spatially and temporally close are cause and effect and are repeated. Repeated spatially and temporally close happenings activate neural ways among individual images' sources. In addition, some of the effects are dangerous happenings. Accordingly, individual images' sources' arousals on the basis of activated neural ways and temporal closeness are potent functions which foresee and prevent the future dangerous effects from the present causes. For example, we experience its raining and our being soaked after dark clouds' hanging over again and again, and we come to foresee its raining and to going out with an umbrella when the clouds are thick.

COMPLEX IMAGES' SOURCES' GENERATIONS, MEMORIZATIONS, STORAGES, AND AROUSALS

    By individual images' sources' arousals on the basis of grasps and similarity and on that of activated neural ways and temporal closeness and by the maintenance of spatial closeness in the consistency of sources, some individual images' sources arise and are recollected spatially and temporally close, and those individual images compose a complex image. This can be looked upon as a complex image's (source's) arising and being recollected. For example, a certain person's features of face, body, and voice are grasped, the visual individual images of his or her face and body and the auditory ones of his or her spoken words and name which were seen and heard some years or months ago are recollected, he or she is recollected as a complex image, and he or she is recognized as Mr. or Ms. So-and-so. That is a perception. Moreover, what were talked about in the past, what will be talked about in the future, and so on are recollected one after another. That is an association.
    When we look back, we find that complex images' sources were generated, memorized, and stored when individual images' sources were generated, memorized, and stored and when the neural ways among them were activated. That can be called Complex Images' (Sorces') "Generation" or Being Generated. In addition, in that, individual images' (sources') generations, memorizations, and storages can be called Complex Images' (Sources') Generation or Being Generated on the basis of grasps and similarity, and the activations and activities of the neural ways among them can be called Complex Images' (Sources') Generation or Being Generated on the basis of Activated Neural Ways and Temporal Closeness.

FUNCTIONS BEYOND EACH KIND OF SENSATION AND MEMORY

    After all, individual images' sources' grasps, memorizations, and storages, and individual images' sources' arousals on the basis of grasps and similarity function only in each kind of memorial neural group diverging and converging and function not beyond but in each kind of memory. In contrast, the activations, activities, excitements, and transmissions of the neural ways among individual images' sources function among the same and different kinds of memorial neural group diverging and converging and function not only in but also beyond each kind of memory. However, arising individual images' sources and complex images' go through each kind of memorial neural group converging toward the replay, are replayed and recollected by the replay which is peculiar to each kind. Those arousals, replay, and recollection function not beyond but in each kind of memory.
    When we look back, each sensation functions not beyond but in each kind. Though neural sources continue, it is in the same kind of sensation and memory that they do so, and they function not beyond but in each kind of sensation and memory.
    When we look through sensations and memories, we find that only the activations and activities and excitements and transmissions of neural ways among individual images sources function clearly not only in but also beyond each kind of sensation and memory.
    The consistency of different kinds of sources which was explained earlier is caused beyond each kind. However, it is unthinkable that it is caused by any clear and active functions.

NEURAL GROUPS' EXCITEMENTS AND TRANSMISSIONS' DISAPPEARING

    While a neural cell (u) is exciting and transmitting by the transmission of another neural cell (s) which excites and transmits earlier and longer than another neural cell (t) does, and when the neural cell (t) transmits to the neural cell (u), the neural cell (u) goes on exciting and transmitting by the transmission of the neural cell (s) with the same frequency as that of the neural cell (s), regardless of, simply, ignoring the transmissions of the neural cell (t). That can be called (s)'s excitement and transmission's "Going Through" or Coming Through, and (t)'s excitement and transmissions' "Disappearing".
    While a neural group (U) is exciting and transmitting by the transmissions of another neural group (S) which excites and transmits earlier and longer and broader than another neural group (T) does, and when the neural group (T) transmits to the neural group (U), the neural group (U) goes on exciting and transmitting by the transmission of the neural group (S) with the same spatial and temporal positions, frequencies, concentrations, spatial and temporal arrangements, and their changes as those of the neural group (S), almost regardless of the transmissions of the neural group (T). That can be called (S)'s excitement and transmissions' "Going Through" or Coming Through and (T)'s excitement and transmissions' "Disappearing".
    As was explained earlier, the neural group from grasps to unitary neural groups memorizing and storing individual images' sources is a diverging one, and the neural group from them to the replay is a converging one. When many neural groups' excitements and transmissions are caused in a converging neural group, a limited number of them which excite and transmit the earliest, longest and broadest go through and the others disappear.

EACH KIND OF MEMORIAL NEURAL GROUP AND RECOLLECTION

    So far, the following were explained as if they were distinct two neural groups.

(A) Each kind of memorial neural group diverging one after another
(B) Each kind of memorial neural group converging toward the replay

However, they can be looked upon as one neural group which converges after they diverge making the neural groups memorizing and storing individual images' sources a border. They can be called Each Kind of Memorial Neural Group (Diverging and Converging) as a neural group. They will be explained again doing so.
    In each kind of memorial neural group, the part from grasps to memorization and storages diverges, and the individual images' sources are classified. In addition, at the peak of divergence, there are a lot of neural groups memorizing and storing individual images' sources. There cannot be a lot of neural groups replaying individual images' sources corresponding to a lot of them. In each kind of memorial neural group, the part from those memorizing and storing individual images' sources to the replay converges. Both on the basis of grasps and similarity and on that of activated neural ways and temporal closeness which were explained earlier, the neural groups memorizing and storing individual images sources excite and transmit, and some, practically, many individual images' sources arise. Those arising go through such a converging part. A few of them which can reach the replay are replayed and recollected. That replay is peculiar to each kind of memory, and that recollection is caused in each kind. That replay or that recollection can be called Each Kind of Replay or Each Kind of Recollection.

EACH KIND OF LIMITING RECOLLECTION OF COMPLEX IMAGES

    As was explained earlier, when many neural groups' excitements and transmissions are caused in a converging neural group, a limited number of them which excite and transmit the earliest, broadest, and longest go through and the others disappear. Accordingly, even when many individual images' sources arise, a limited number of them reach the replay and are recollected at once.
    This can be explained in the following way when a represented source's space which was explained earlier is payed attention to. Every represented source's space is limited. It is a limited number of sources that can occupy such a limited space. For example 1, the represented source's space of a visual sensory image as if with both eyes, in a human being, is about 180°ahead, and when a huge rock occupies it, the others hardly appear. For example 2, the represented source's space of an auditory sensory image as if with one ear is occupied by high and low of sounds, and when it is occupied by a loud sound which consists of various high and low sounds, the others hardly appear.
    However, more than one, practically, many individual images' sources arise spatially and temporally close, become a lump, and compose a complex image's source. Accordingly, when some of the individual images which compose a complex image are recollected, it is rare that the others are not recollected. When some are recollected, the others are usually recollected. Practically, a complex image is the unit by which it is decided whether images are recollected or not.
    Accordingly, in the converging part of each kind of memorial neural group, a limited number (n) or less of complex images' sources reach the replay and recollected. This can be divided into the following two cases.

(1) When (n) or less of complex images' sources arise, all of them are recollected.
(2) When more than (n) of complex images' sources arise, (n) of them which excite and transmit the earliest, broadest, and longest are recollected.

The above case of (2) can be called recollection's "Saturation" or Being Saturated.
    However, that limited number (n) varies depending on the situation. When large complex images' sources which consist of a lot of individual images' sources are recollected, they occupy most of the represented source's space, and the number (n) gets small. Simply, when we think complicated things, (n) gets smaller. In contrast, when a lot of small complex images are recollected, they occupy most of the represented source's space, and large ones are hardly recollected. When we think complicated things, we should abstain from small things.
    "A PSYCHOLOGY OF ANIMALS HAVING HABITS" defines limiting functions in the following way.

The set of functions (f1, f2,…) which can be caused in general (this generality's being (G) ) in a certain situation (S1) being (F),
a number which fluctuates depending on another situation (S2) being (n), at once,
when (n) or less of (F) arise (C1), all of them are caused,
and when more than (n) of (F) arise (C2),
(n) of them which have the largest capability of being caused while excluding others (EA) are caused
by a function (SLF) limiting (F).
In this case, the set of functions (F), the limiting function (SLF), and the other functions which treat (F) can be called a "Limiting Function" (LF), each element of the set (f1,f2,…) can be called a "Limited Function" (lf), and the function (SLF) can be called a "Substantially Limiting Function".

Let us apply this to recollections of complex images.

(S1) Situations of recollections of complex images

Situations of recollections of complex images are the grasped properties which some parts of the sensed neural source and some recollected individual images' sources have. The arousals of individual images' sources begin from these grasps on the basis of grasps and similarity and on that of activated neural ways and temporal closeness. Simply, associations begin from this situation. For example, when the building of our school or office is seen, the interpersonal relations in it are associated.

(G) The meaning of being recollected "in general"

It means being recollected to most of the healthy human beings brought up in common homes, institutions, or schools at the then present in these books. For example, in the days when autmobiles are still not invented, their images are never generated or recollected to most of the human beings, excluding a few scientists or engineers, and so the images of automobiles, driving them, going by them, and so on are excluded from sets of limited functions in any situation in those days. In addition, also at the present day, the images of things which can be known to a few politicians, managers, scientists, engineers, and so on are excluded from them.

(S2) The situation where (n) fluctuate in recollections

It is the location and width at which the recollected complex images' sources occupy the represented source's space.

(lf) Each of the complex images as a limited function

As was explained earlier, each complex image's source can be recollected in a lump. When it arises, it goes through the converging part of each kind of memorial neural group, those which excite and transmit the earliest, broadest, and longest reach the replay while make the others disappear and are recollected. Accordingly, each of the complex images' sources which can be recollected in general in a certain situation is a limited function.

(SLF) Substantially limiting function in recollections

That the part of each kind of memorial neural group from the memorizations and storages to the replay converges and that the complex images' sources which excite and transmit the earliest, broadest, and longest make the others disappear and reach the replay are the substantially limiting function of recollection.

(EA) The capability of being caused while excluding the others of each complex image's source as a limited function

The earliness, broadness, and length of the excitements and transmissions of each complex image's source in the converging part of each kind of memorial neural group is the capability of being caused while excluding the others of each complex image's source as a limited function.

(LF) Each kind of limiting recollection of complex images' sources

The set of the above complex images' sources as limited functions, the above substatially limiting function of recollection, and the functions of the converging part of each kind of memorial neural group including memorizations, storages, arousals, and the replay are a limiting function. Those can be called Each Kind of Limiting Recollection of Complex Images(' Sources).

THE TOTALITY OF ALL THE KINDS OF LIMITING RECOLLECTIONS OF COMPLEX IMAGES' SOURCES

    However, when we only take account of each kind of limiting recollection, each complex image, which consists of different kinds of individual images, is, metaphorically, sliced into each kind of slice. We need to take account of the totality of all the kinds of limiting recollections in the neural system of an individual in order to keep the original of a complex image which consists of different kinds of individual images' sources. As was explained earlier, the individual images' sources which compose a complex image's source arise both on (1) the basis of grasps and similarity and on (2) that of activated neural ways and temporal closeness. By the arousals on (2), different kinds of individual images' sources arise and compose a complex image source, and go through the converging parts of different kinds memorial neural groups, reach different kinds of replays, and are recollected in different kinds of recollections. In this case, not all the kinds of recollections always reach saturation which was explained earlier. In human beings, visual and auditory kinds of memories are exclusively dominant, and the other kinds are almost nothing. Nonetheless, there can be complex images where the visual kind or the auditory kind is exclusively dominant, and the other kind of recollection may not reach saturation. For example, in thinking where auditory images of spoken words are dominant, it is probable that the visual kind of recollection does not reach saturation. Such thinking could be more effective if it used visual images like graphs, too and made the visual kind of recollection reach saturation, too.
    Nonetheless, a limited number (n), though it fluctuate considerably, or less of complex images are recollected at once in the totality of all the kinds of limited recollections in the neural system of an individual. Accordingly, the totality of all the kinds of limited recollections in the neural system of an individual is a limiting function.
    In addition, also in that totality, each complex image, which can be recollected in general in the above sense in the above situation is a substantially limited function. In addition, metaphorically, such a complex image is not sliced into each kind of slice, does not lose the original, as was explained above, but keeps it.
    In addition, also in that totality, its substantially limiting function is that the parts of all the kinds of memorial neural groups from the memorizations and storages to the replay converge and that the complex images' sources which excite and transmit the earliest, broadest, and longest make the others disappear and reach the replays.
    In addition, also in that totality, each complex image's sources' capability of being caused while excluding the others is its earliness, broadness, and length of excitements and transmissions in the converging parts of all the kinds of memorial neural groups.
    In such ways, the totality of all the kinds of limited recollections of complex images' sources in the neural system of an individual is a limiting function.

THE TOTALITY OF ALL THE KINDS OF LIMITING RECOLLECTIONS OF COMPLEX IMAGES' SOURCES WITH INTENSITY = THE RECOLLECTION OF IMAGES

    As was explained earlier, each appearing thing has quantity as a property like brightness, distance, loudness, clearness, intensity, and so on. Such quantity is called the appearing thing's "Intensity" in these books. Also each individual image has its intensity, and also each complex image has its intensity as the average of the intensities of the individual images which compose it. It is premised that such intensity is caused by the property of the appearing thing's source like the density of its excitement and transmission. An appearing thing's source's property which is premised to cause that appearing thing's intensity can be called its source's Intensity. In addition, an intense or faint complex image's source's being recollected can be called its Being Recollected Intensely or Faintly.
    Though what decides the intensity of recollection is that of the source, it is that at its peak. For reason of replays, in the time of tenths of a second or seconds, usually, each complex image fades in, is recollected more and more intensely, reaches its peak, is recollected more and more faintly, and fades out. At once, in a limited number (n) or less of complex images, one is recollected the most intensely, some others intensely, the others faintly. When these two aspects are synthesized, they become a reality, but it is considerably dynamic.
    In such a way, the totality of all the kinds of limiting recollections of complex images' sources in the neural system of an individual is accompanied by intensity. In these books, it is called the following according to what needs to be emphasized.

the totality of all the kinds of limited recollections of (complex) images(' sources) with intensity
the totality of all the kinds of limited recollections of (complex) images(' sources)
the (limiting) recollection of (complex) images(' sources)

the (limiting) recollection

(complex) images' (sources') being (limitingly) recollected (with intensity)

things' being (limitingly) recollected as (complex) images (with intensity)

That is, the mere words of the "recollection" designate the totality of all the kinds of limited recollections of complex images' sources with intensity in the neural system of an individual in these books. The recollections of images are at the beginning of feelings, desires, and egos, which will be explained in "a psychology of animals having egos". The words of the recollection of images are used in their explanations. Those words designate the totality of all the kinds of limited recollections of complex images' sources in the neural system of an individual, which was defined here. In addition, the word of images designate complex images' sources.

ASSOCIATIONS

    In the time of seconds or more, some parts of the sensed neural sources are grasped, on the basis of grasps and similarity and on that of activated neural ways and temporal closeness, some complex images' sources are limitingly recollected, some parts of them are grasped, on the basis of grasps and similarity and on that of activated neural ways and temporal closeness, some complex images' sources are limitingly recollected, and the same are repeated. Such a series of recollections is an association. Some complex images which are recollected in an association can be looked upon as a huge complex image which consists of small ones. Such a huge one is included in a complex image in these books. In addition, such a series of recollections, that is, an association is looked upon as a prolonged recollection, too. Such a prolonged one is included in a recollection, too, in these books.
    However, let us think of an association excluding such huge complex images for a while. When (n) of complex images are limitingly recollected in the first recollection, even if each of (n) is grasped and causes (a) of complex images' arousals and if (n*a) arise in the second recollection, (n) of them are limitingly recollected. Moreover, in the second recollection, not all the (n) of them are grasped and cause (a) of arousals, but (m) (n>m) of them are grasped and cause (a) of arousals. The complex images which are recollected in associations are limited in such a way. For example, the perceived building of school or office causes the recollection of the interpersonal relations in it, it causes the recollection of a key person in them, and it causes the recollection of what to say to him or her. It causes the recollection of what he or she will say, and the same are repeated.
    The following (1)(2)(3) are possible as the relation of perceptions and association.
(1) An association starts from a perception.
(2) the old association is interrupted by a perception, and a new association starts from the perception.
(3) the old association is changed by a perception, and the changed association starts.
(1) seems to happen when we wake up in the morning. However, usually, because we are dreaming when we wake up, actually, an association starts from a dream and a perception. For example, when we wake up and when we perceive our bed room, we start to doubt the reality of the dream, and start to think that we are relieved that it was a dream, to wonder why we had such a dream, and so on. Pure (1) happens when we are suddenly awaken from deep sleep other than REM sleep or from complete loss of consciousness. However, such a state may well be called "stupor". (2) happens when an unexpected thing happen suddenly. For example, it happens when we are visited by an unexpected person on a holiday which had no schedule and when we start to wonder whether we should make some coffee or tea for him or her. (3) is our daily life.
    In such ways, associations do not expand unlimitedly. As long as we are awake or are dreaming, some complex images are recollected continuously, but not all of them are continuous as a clear association.

LINGUAL IMAGES

    In each human being, from the neonatal period to the senile period, many spoken words are sensed on an auditory sensation, many written words and signs are sensed on a visual sensation, and many complex images' sources are generated, memorized, stored, and recollected. Such sources can be called Lingual Images' Sources or Lingual Images.
    While a lot of lingual images' sources are generated, a lot of images' sources other than lingual images' are generated, and the neural ways among them are activated. In such a way, more and more complicated images' sources are generated, and more and more complicated recollections, perceptions, associations, thinkings, and so on are developed.
    After all, lingual sources are sensed, generated, some of them are recollected, and some of them are spoken, written, and transmitted. Those are "Words" or "Language".

IDEAS OR THOUGHTS

    Each of what are called "ideas" or "thoughts" like Copernican system, evolutionism, liberal right, democratic system, and so on is a huge complex image or a series of complex images as are recollected in an association. In addition, they are transmitted with long words. They are not formed only by sensations, perceptions, and memories. Their formation in individuals needs not only them but also egos and thinkings which will be explained in "A PSYCHOLOGY OF ANIMALS HAVING MEMORIES". In addition, their formation in the human society needs transmission, discussion, and so on with words, pictures, sounds, and so on.

MEMORIZATIONS AND STORAGES OF COMPLEX IMAGES OR IDEAS

    If those complex images or ideas were not memorized or stored, we would need to sense, perceive, memorize, think, and form them again and again from nothing. We do not need to do so. When they are recollected, associated, and thought, the neural groups memorizing and storing the individual images' sources which compose them and the neural ways among them are activated. Next time their opening parts are grasped, nearly all of them can be recollected or associated. Those activations in themselves can be looked upon as the memorizations and storages of complex images or ideas' sources.
    However, while the recollections of small complex images or individual images are done in one recollection, those of huge complex images or ideas are done in a series of recollections, that is, in an association.

BEING FORGOTTEN

    Every neural cell's, accordingly, every neural group's activity decreases and disappears sooner or later. The activities of the neural groups storing the individual images' sources composing a complex image's source and those of the neural ways among them also decrease and disappear sooner or later. By the natural decrease or disappearance of their activities, a complex image's source's losing the capability of being recollected irreversibly can be called the (complex) image's (source's) Being Forgotten or the thing's Being Forgotten.

LOSS OF MEMORY

    Because of some causes, in an animal individual, all the complex images' sources' losing the capability of being recollected irreversibly can be called "Loss of Memory", Memories' Being Lost, complete forgetting, or forgetting all.
    Only the animals having memories lose memories. The animals having no memories cannot lose them. As long as an animal exists and functions, loss of memory is rarely caused. Are brain death, vegetative state, and so on any exceptions? However, they are looked upon as death. It is clear that loss of memory is caused when the animal dies.

RENEWALS OF MEMORIES

    After a complex image's source was generated, memorized, stored, when the sensation's source or its source which caused it are sensed or recollected and grasped, its source is generated, memorized, and stored again. As a result, the neural groups memorizing and storing the individual images' sources which compose it and the neural ways among them are activated again. This can be called the "Renewal" of the Complex Image('s Source) or Its Being Renewed, the Renewal of its Memory or Its Being Renewed, or Renewal of Memory. Simply, what is seen, heard, felt, and thought again and again cannot be forgotten.
    As was explained earlier, though every complex image is being forgotten, when it is renewed frequently, its activity are retained, and it is not forgotten. Renewals of Memories are important parts of memories. If there were no renewals, complex images would only be forgotten, and there would be no memories. Accordingly, not only renewals of memories are included in memories but also when renewals needs to be emphasized, memories are called Memories and Renewals in these books.

ATTENTION

    Concerning visual sensations, we can move our eyeballs, head, and go closer to a thing to see it in large size and clearly. Concerning auditory sensations, though we cannot move our auricles like some other animals, we can move our head and go closer to a thing to hear its sound loudly and clearly. We can do the same concerning olfactory sensations. Concerning balancing sensations, we can change our bodies' movements and postures to reduce dizziness. Concerning taste sensations, if we do not put a piece of food into our mouth, we cannot taste it, and we can chew it well to make its taste intense and clear. Concerning somatic sensations, if we want to know a thing's touch, we can touch it, and if it is too hot or spiny, we can let go of it. Concerning autonomic sensations, though they are not as clear as somatic sensations, if we have severe palpitation and dyspnea, we should rest, if we are hungry, we should eat, and if we are thirsty, we should drink. Such voluntary movements like moving one's eyeballs, moving one's head, going closer to the source can be called Voluntary Movements "Changing Sensations".
    There is little possibility that any parts of the sources which are not sensed intensely or clearly by voluntary movements changing sensations are grasped or generated, memorized, or stored or renewed as individual images or complex ones. For example, things which are only sensed vaguely on the periphery of the visual field with no movement of our eyeballs or head are rarely done so.
    In addition, there is little possibility that any parts of the sources which are not sensed intensely or clearly by voluntary movements changing sensations are overlapped with complex images, that is, perceived.
    The possibility is larger that some parts of the sources which are sensed intensely and clearly by voluntary movements changing sensations or which are perceived are grasped and generated, memorized, and stored or renewed as individual images or complex ones.
    In addition, the possibility is larger that the sources which are recollected as complex images are renewed and that their activities are maintained. Simply, what occur to us again and again can hardly be forgotten.
    However, that possibility gets much larger in the following cases. As will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS", each ego can manipulate recollected images in the ways of bringing them closer, transforming, combining, dissolving, and so on. The possibility of recollected complex images' being memorized and stored or renewed gets much larger by egos' manipulating them. That is because, though images are vague and transient, egos hold them steady to a degree.
    Even if the ego does not manipulate the complex images when they are generated, after a while, if they are recollected and if the ego manipulate them, they are memorized and stored steadily. For example, after we see a person for the first time, if we think of him or her again and again, we cannot forget him or her.
    In such a way, an ego's manipulating the complex image which is generated from a source can be called the ego's "Attention" to the source or the ego's Paying Attention to the source.

HABITS OF RECOLLECTIONS

    In an association, that is, a series of recollections, which complex image is recollected in one of the series decides which complex images are recollected in the whole of the recollections thereafter. In addition, in the opening part of an ego which will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS", some ways in the situation are proposed as complex images, and the ending part of it decides which of them are adopted and carried out, but the ways which are not proposed are never decided or carried out. When we look over them, we find that it is a serious problem which complex image is recollected and that it may decide our life.
    As was explained earlier, the set of the complex images' sources which can be recollected in general in a certain situation (S1) being (F), and a certain number which fluctuate in another situation (S2) being (n), at once, when (n) or less of complex images' sources arise (C1), all of them are recollected, and when more than (n) of complex images' sources arise (C2), (n) of them which excite and transmit the earliest, broadest, and longest in converging neural groups are recollected. In the case (C1), the complex images' sources which have the largest capabilities of arising are recollected. In the case (C2), the complex images' sources which have the largest capabilities of arising and of exciting and transmitting early, broad, and long are recollected. In case (C1), the capability of a complex image's source of being recollected is that of arising (this capability is called (A1) here). In case (C2), that before arising is the capability of arising (A1) and that after arising is the earliness, broadness, and length of its excitment and transmission in converging neural groups (this capability is called (A2) here). A complex image's capabilities of being recollected in such cases in such situations can be called the complex image's Capability, Ability, or "Habit" (of being recollected). In addition, the matrix of the habits of the complex images belonging to the set (F) in a certain situation (S1) can be called the habit of recollection (in the situation (S1)).
    Then, what decide those habits? It is the activities of the neural groups memorizing and storing the individual images' sources composing the complex image and those of the neural ways among them that decide them. The activities of all the neural groups decrease with time. Accordingly, there is being forgotten as was explained earlier, those habits decrease, and complex images get hardly recollected. In order to prevent such being forgotten and to maintain their habits, complex images need to be recollected intensely, continuously, or continually. That is the renewal of memories as was explained earlier. In addition, egos need to manipulate complex images intensely, continuously, or continually. That is the attention by egos as was explained earlier. For example, those who only pass each other on the street are forgotten at once. In contrast, those who egos pay intense attention to and think of again and again are hardly forgotten.

RELATIONS WITHE OTHER FUNCTIONS

    If no sensations or perception were caused and if any images were recollected spontaneously, other images could be recollected, and the same could be repeated. This is nearly a dream. However, because each dream involves some anxieties, fears, and so on, some autonomic sensations are caused in it. In contrast, most of the other sensations are pausing when each of us sleeps or dreams.
    Perceptions, associations, and dreams are included in recollections of images in these books.
    As will be explained in "A PSYCHOLOGY OF ANIMALS HAVING EGOS", the neural ways from images' sources to pleasure and displeasure autonomic sensations are activated and excite and transmit, and the feelings like anxieties, expectations, and so on are caused. These neural ways are different from those among individual images' sources which were explained in this book.

    In contrast to the memories as have been explained so far, there function afterimage memories, sensory memories, instant memories, and short-term or long-term memories, as will be explained in the following sections.

AFTERIMAGE MEMORIES

    Each neural cell's one super-short-term excitement and transmission which compose a neural group's excitement and transmission continues for milliseconds (thousandths of a second). In contrast, every represented source changes every moment. For example, a running animal's spatial arrangement of the limbs which is included in the visual represented sources do so. In such a way, after a represented source changed or disappeared, the neural source continues at least for milliseconds. As a result, what is called an "afterimage" is caused at least for milliseconds. This can be called an "Afterimage Memory", and a thing appearing in such a way can be called an Afterimage.
    No afterimage memories are what is called memory in our daily life or science. However, afterimage memories are included in memories in these books. It is one of the most important that temporal changes are appearing at present like tracks by afterimages.

SENSORY MEMORIES

    While some parts of a sensed neural source is grasped and cut in an individual image's generation, some parts of it sometimes remains as it is without grasp or cut for tenths of a second or for seconds, and is sometimes replayed, grasped, and cut after that. This can be called a "Sensory" Memory. For example, the short words spoken by another person and sensed on auditory sensation, which were not paid attention to, are sometimes paid attention to after tenths of a second. This is a sample of the auditory sensory memories. However, only short spoken words can be paid attention to in such a way, and long spoken words cannot. In addition, only when there has been some silence after the words were spoken, they can be paid attention to in such a way. When the words has been being spoken without a pause, they cannot be paid attention to in such a way.
    A sensory memory is guessed to be caused either by a prolonged afterimage memory or by a specialized neural group's long excitement and transmission.
    Sensory memories also help temporal changes appear at present.

INSTANT MEMORIES

    While the individual image's sources which have just been generated is memorized and stored, they are recollected instantly for less than seconds and disappear. This can be called an "Instant" Memory, Instant Recollection of images, Instant Recollection, or images' Being Recollected instantly, and such images can be called Instant Images.
    By afterimage memories and sensory memories as were explained earlier and by instant memories, temporal changes are appearing at present. Simply, by comparing the past which are remaining at present and the present, we know changes. Instant memories are included in memories and recollections in these books.
    While the basic memories explained earlier are caused by way of generation→memorization→storage→arousal→recollection, instant memories can be caused either by the same way or by way of generation→arousal→recollection where there are no memorization or storage. Perhaps, both the ways function.

SHORT OR LONG MEMORIES

    After its generation, memorization, storage, and instant memory, when a complex image's source is neither recollected nor renewed, the activities of the unitary neural group memorizing and storing the individual images' sources which compose it and those of the neural ways among them decrease and disappear in a short time, maybe in seconds. When it is recollected or renewed in such a time, their activities are retained, and it has the capability of being recollected after more than such a time. That is also called a "Short" or "Long" Memory. Of course, short or long memories are included in memories.
    Some identical or similar things' sources need to be sensed, recollected, and renewed so that a short or long memory can be caused. That is what is called "what have not been attended to (what each of us has not been conscious of) are forgotten soon" or "what have been attended to (what each of us has been conscious of) are well remembered" in our daily life and science. However, each of us does not need to think of difficult things. When each of us rethinks of the perceived or recollected things, some short or long memories have already been established. For example, we never forget another person who we talk with for hours and think of again and again for days. In contrast, we do not remember all the faces of those who we pass by on the way to school or office unless they are very handsome, beautiful, or strange.
    The distinction between short and long memories is comparative. However, it is probable that long ones involve some functions which short ones do not involve.

THE ABILITIES OF MEMORIES

    Each individual images' grasp, cut, generation, memorization, storage, images' generation, memorization, storage, arousal, recollections, and each memory, short one, long one has its own ability.
    Generally in human beings, the ability of memory gets larger rapidly from the prenatal and neonatal period to the first half of the infant period, reaches its peak during the adolescent period, get smaller slowly thereafter. In contrast, in dementia, it gets smaller rapidly usually after the presenile period.

COMPLEX IMAGES'SOURCES = IMAGES

    When the words of "complex images' sources" are always used, sentences are complicated. Accordingly, they are also called Images in these books.

THE SUBSTANCES OF CONSCIOUSNESS, UNCONSCIOUSNESS, AND SO ON

    Every image is generated after prenatal period when the sensations start functioning, and most images are generated after neonatal period, that is, after the delivery. This can be called Acquired Generation of Images or Images' Being Generated acquiredly.
    The "richness" of images and the abilities of memories are different. The main cause of the former is to sense, perceive, recollect, associate, think various things. That is the substance of what is called experience or knowledge.
    In milliseconds, though many individual images arise, a certain number (n) or less of images are recollected. This is the substance of some parts of what is called "consciousness" in our daily life and science. In addition, this is the substance of what is called "we cannot think two things a time", in our daily life. After all, though many images are generated, memorized, and stored, excluding instant memories, many do not arise and most are not recollected.
    Intentional functions will be explained in "PSYCHOLOGIES OF ANIMALS HAVING EGOS". If any arising sources that were not recollected caused any intentional function, that could be the substance of some parts of what is called "unconsciousness". However, it is not clear whether or not such things exist or function.
    However, in each of most animal individuals, the neural sources which have not been sensed yet cause some functions like tendon reflexes, some of conditioned reflexes, and so on.

SENSATIONS OR MORE

    In these books, by definition, animals have some sensations. In general, terrestrial vertebrates and some terrestrial arthropods have the most complicated sensations of all the animals on the earth. That is because auditory and balancing sensations cannot be much evolved underwater in general. In addition, some mammals have the most complicated ones of all the vertebrates. That is because they have the largest cerebrums and sensory organs. It cannot be said that human beings have the most complicated ones. At least, the human beings' olfactory ones have degenerated. In the sensations of human beings, visual ones and auditory ones are more complicated, and olfactory ones are simpler. Though the distinction between somatic sensations and autonomic ones is clear in vertebrates, it is vague in the other animals. Anyway, the functions which are premised to cause some appearing things including touches, pains, hotness, coldness, smells, tastes, and so on can be called Sensations. For example, simply, if a jellyfish or sea anemone feels anything, the function causing it is a sensation.
    Vertebrates and some arthropods have the memories as have been explained so far. Human beings have the most complicated and the richest memories, some mammals have comparatively complicated and rich ones and the other vertebrates and some arthropods have simpler and poorer ones. Such simpler and poorer memories are included in memories in these books.
    Not all the animals that have sensations have the memories as have been explained. For example, though a jellyfish, sea anemone, and so on have such sensations as tactile ones, it is inconceivable that any images are recollected in them. It is conceivable that they have some memories which do not accompany any recollections. Such memories as do not accompany any recollections of images are not included in memories in these books.
    All the animals that have memories have sensations. That is because some parts of the sensed sources are grasped and cut, and some individual images are generated for the first time. The animals which have sensations and memories evolve from the animals which have sensations and no memories. The perceptions, associations, feelings, desires, egos, thoughts, and so on involve some recollections of images. Accordingly, the animals having such functions have sensations and memories. The animals having such functions evolve from the animals which have sensations and memories and none of such functions.
    Accordingly, sensations or sensations and the functions which could not exist without them can be called "Sensations or More". In addition, sensations and memories or sensations and memories and the functions which could not exist without them can be called "Memories or More".
    The relation of recollections→perceptions→associations→feelings→desires→egos→thinkings is the same as that of sensations→memories. For example, all the animals having egos have recollections, perceptions, associations, feelings, and desires, and they evolve from the animals having such functions and no egos. Accordingly, for example, egos or egos and thinkings, and so on can be called Egos or More, and the animals having them can be called the Animals Having the Egos or More.
    Human beings have the most complicated memories or more of all the animals so far on the earth. Moreover, on the earth from now on, it is possible that some animals having more complicated memories or more than human beings will evolve from them or from some other animals. From the beginning, human beings can evolve, too.
    After all, it is premised that some appearing things are caused by sensations or more. After all, sensations or more are the functions which are premised to cause some appearing things.

References

A PSYCHOLOGY OF ANIMALS HAVING EGOS
A PSYCHOLOGY OF ANIMALS HAVING HABITS

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