The World in our Brains

     When you look out of the window, you think that you see an image with your eyes, as this is the way that you have been taught to think. However, in reality this is not how it works, because you do not see the world with your eyes. You see the image created in your brains. This is not a prediction, nor a philosophical speculation, but the scientific truth. 

     This concept can be better understood when we realize how the visual system operates. The eye is responsible for transforming light into an electric signal by means of the cells in the retina. This electrical signal reaches the sight center in the brain. The signals create the vision you see when you look out of the window. In other words, the sights you see are created in your brain.

     

     You see the image in your brain, not the view outside the window. For example, in the picture shown on the right hand side, the light reaches the eyes of the person from outside. This light passes to the small sight center located at the back of the brain after the cells in the eyes transform it into electrical signals. It is these electrical signals which form the picture in the brain. In reality when we open the brain, we wouldn't be able to see any image. However, some kind of consciousness in the mind receives electrical signals in the form of an image. The brain perceives electrical signals in the form of an image, yet it has no eye, eye cells, or retina. So, to whom does the consciousness in the brain belong? 

     In reality however, you can never touch the real nature of the book. Even though you think that you're touching the book, it is your brain that perceives the tactile sensations. This book exists as a material thing outside of your brain, but you merely confront the image of the book within your brain. However, you should not be tricked by the fact that a writer wrote this book, the pages were designed by a computer and printed by a publisher. The things that will be explained in due course will show you that you will never know the originals of the people, computers and the publishers in every stages of the production of this book.

     

We can therefore conclude that everything we see, touch and hear merely exists in our brains. This is a scientific truth, proven with scientific evidence. The significant point is the answer to the question asked above, which this scientific truth has led us to ask;

     Who is it that has no eye, but watches sights through a window in our brains and enjoys or becomes anxious from these sights? This will be explained in the following sites.

     We acknowledge that all the individual features of the world are experienced through our sense organs. The information that reaches us through those organs is converted into electrical signals, and the individual parts of our brain analyze and process these signals. After this interpreting process takes place inside our brain, we will, for example, see a book, taste a strawberry, smell a flower, feel the texture of a silk fabric or hear leaves shaking in the wind. 

     We have been taught that we are touching the cloth outside of our body, reading a book that is 30 cm (1 ft) away from us, smelling the trees that are far away from us, or hearing the shaking of the leaves that are far above us. However, this is all in our imagination. All of these things are happening within our brains.

     At this point we encounter another surprising fact; that there are, in fact, no colors, voices or visions within our brain. All that can be found in our brains are electrical signals. This is not a philosophical speculation. This is simply a scientific description of the functions of our perceptions. In her book Mapping The Mind, Rita Carter explains the way we perceive the world as follows:

    Each one [of the sense organs] is intricately adapted to deal with its own type of stimulus: molecules, waves or vibrations. But the answer does not lie here, because despite their wonderful variety, each organ does essentially the same job: it translates its particular type of stimulus into electrical pulses. A pulse is a pulse is a pulse. It is not the colour red, or the first notes of Beethoven's Fifth-it is a bit of electrical energy. Indeed, rather than discriminating one type of sensory input from another, the sense organs actually make them more alike.

     All sensory stimuli, then enter the brain in more or less undifferentiated form as a stream of electrical pulses created by neurons firing, domino-fashion, along a certain route. This is all that happens. There is no reverse transformer that at some stage turns this electrical activity back into light waves or molecules. What makes one stream into vision and another into smell depends, rather, on which neurons are stimulated.1

     In other words, all of our feelings and perceptions about the world (smells, visions, tastes etc.) are comprised of the same material, that is, electrical signals. Moreover, our brain is what makes these signals meaningful for us, and interprets these signals as senses of smell, taste, vision, sound or touch. It is a stunning fact that the brain, which is made of wet meat, can know which electrical signal should be interpreted as smell and which one as vision, and can convert the same material into different senses and feelings. 

     Let us now consider our sense organs, and how each one perceives the world. 

     It's Not Our Eyes That See,     It Is Our Brain

     Because of the indoctrination that we receive throughout our lives, we imagine that we see the whole world with our eyes. Eventually, we usually conclude that our eyes are the windows that open up to the world. However, science shows us that we do not see through our eyes. The millions of nerve cells inside the eyes are responsible for sending a message to the brain, as if down a cable, in order to make "seeing" happen. If we analyze the information we learned in high school, it becomes easier for us to understand the reality of vision. 

     The light reflecting off an object passes through the lens of the eye and causes an upside-down image on the retina at the back of the eyeball. After some chemical operations carried out by retinal rods and cones, this vision becomes an electrical impulse. This impulse is then sent through connections in the nervous system to the back of the brain. The brain converts this flow into a meaningful, three-dimensional vision.

     For example, when you watch children playing in a park, you are not seeing the children and the park with your eyes, because the image of this view forms not before your eyes, but at the back of your brain. 

     Even though we have given a simple explanation, in reality the physiology of vision is an extraordinary operation. Without fail, light is converted into electrical signals, and, subsequently, these electrical signals reveal a colorful, shining, three-dimensional world. R. L. Gregory, in his book Eye and Brain: The Psychology of Seeing, acknowledges this significant fact, and explains this incredible structure:

A person watching a small child playing with a ball is actually not seeing him with his or her eyes. Eyes are only responsible for delivering light to the back of the eyes. When light reaches the retina, an upside-down and two-dimensional view of the child is formed on the retina. Subsequently this view of the child is converted into an electric current, which is then transmitted to the visual center at the back of the brain, where the child's figure is seen perfectly in three dimensions. Who then sees the child's figure in three dimensions with perfect clarity at the back of the brain? Clearly, the entity we are dealing with is the Soul, which is a being beyond the brain.

We are given tiny distorted upside-down images in the eyes, and we see separate solid objects in surrounding space. From the patterns of simulation on the retinas we perceive the world of objects, and this is nothing short of a miracle.2

     All of these facts lead to the same conclusion. Throughout our lives, we always assume that the world exists outside of us. However, the world is within us. Although we believe that the world lies outside us, it is in the smallest part of our brain. For example, the CEO of a company might consider that he has direct contact with the external existence of the company building, his car in the parking lot, his house by the beach, his yacht, and all the people who work for him, his lawyers, his family, and his friends. However, he merely confronts images of all of these things formed in his skull, in a tiny part of his brain. He never knows the actual of the matter in the outside world.

     What this demonstrates is that every person throughout his or her life witnesses everything inside their brain and cannot reach the specific material objects that supposedly cause their experiences. The images we see are copies in our brains of the objects that exist outside of us. We can never know the originals of these copies.

  Although German psychiatry professor Hoimar Von Ditfurth is a materialist, he acknowledges this fact about scientific reality:

 No matter how we put the argument, the result doesn't change. What stands before us in full shape and what our eyes view is not the "world". It is only its image, a resemblance, a projection whose association with the original is open to discussion.3

     For example, when you take a look at the room in which you are sitting, what you see is not the room outside of you, but a copy of the room that exists in your brain. You will never be able to see the original room with your sense organs.

     How can a bright and colorful image appear in your dark brain?

     

     There is another point that should not be neglected; light cannot pass through the skull. The physical area in which the brain is located is completely dark, and light cannot possibly penetrate it. However, incredible as it may seem, it is possible to observe a bright and colorful world in this total darkness. Colorful natural beauty, bright sights, all the tones of the color green, the colors of fruits, the designs of flowers, the brightness of the sun, people walking on a busy road, fast cars in traffic, clothes in a shopping mall-are all created in the dark brain. 

     Imagine a barbecue burning in front of you. You can sit and watch the fire for a long time, but throughout this entire time, your brain never deals with the original of light, brightness or heat from the fire. Even when you feel its heat and see its light, the inside of your brain remains dark and maintains a constant temperature. It is a profound mystery that, in the darkness, the electrical signals turn into colorful, bright visions. Anyone who thinks deeply will be amazed by this wondrous occurrence.

     

Light is also composed in our brain 

    

      While discussing what science has discovered about vision, we mentioned that the light we receive from the outside gives rise to some movements of the eye cells, and these movements form a pattern from which our visual experience emerges. However, there is another point that we need to make: Light, as we perceive it, does not reside outside of our brain. The light we know and understand is also formed within our brain. What we call light in the outside world, which is supposedly outside our brains, consists of electromagnetic waves and particles of energy called photons. When these electromagnetic waves or photons reach the retina, light, as we experience it, begins to come into existence. This is the way light is described in physical terms:

The term "light" is used for electromagnetic waves and photons. The same term is used in physiology, as the feeling experienced by a person when electromagnetic waves and photons strike the retina of the eye. In both objective and subjective terms, "light" is a form of energy coming into existence in the eye of a person, which a person becomes aware of through the retina by the effects of vision.

The inside of a brain is completely dark.
Light does not reach the inside of the brain

     Consequently, light comes into existence as a result of the effects that some electromagnetic waves and particles cause in us. In other words, there is no light outside our bodies which creates the light we see in our brains. There is only energy. And when this energy reaches us we see a colorful, bright, and light-filled world.     

There are no colors in the world outside. Colors are
only formed in the eyes and brain of the observer.
Only energy packets of various wavelengths exist in
the external world. It is our brains that transform
this energy into colors.

          Colors also originate in our brains

Starting from the time, we are born, we deal with a colorful environment and see a colorful world. However, there isn't one single color in the universe. Colors are formed in our brains. Outside there are only electromagnetic waves with different amplitudes and frequencies. What reaches our brains is the energy from those waves. We call this "light", although this is not the light we know as bright and shiny. It is merely energy. When our brains interpret this energy by measuring the different frequencies of waves, we see "colors". In reality, the sea is not blue, the grass is not green, the soil is not brown and fruits are not colorful. They appear as they do because of the way we perceive them in our brains. Daniel C. Dennett, who is known for his books about the brain and consciousness, summarizes this universally accepted fact:

     The common wisdom is that modern science has removed the color from the physical world, replacing it with colorless electromagnetic radiation of various wavelengths.5

     In The Amazing Brain, R. Ornstein and R. F. Thompson have stated the way colors are formed as follows.

     'Color' as such does not exist in the world; it exists only in the eye and brain of the beholder. Objects reflect many different wavelengths of light, but these light waves themselves have no color.

There is no light and no color outside of our brains. Colors and light are formed in our brains

     In the retina in the eye, there exist three groups of cone cells, each of which react to different wavelengths of light. The first of these groups is sensitive to red light, the second is sensitive to blue light and the third is sensitive to green light. Different levels of stimulus to each of the three sets of cone cells gives rise to our ability to see a world full of color in millions of different tones.

 

     In order to understand why this is so, we must analyze how we see colors. The light from the sun reaches an object, and every object reflects the light in waves of different frequencies. This light of varying frequency reaches the eye. (Remember that the term "light" used here actually refers to the electromagnetic waves and photons, not the light which is formed in our brains.) The perception of color starts in the cone cells of the retina. In the retina, there are three groups of cone cells, each of which reacts to different frequencies of light. The first group is sensitive to red light, the second is sensitive to blue light, and the third is sensitive to green light. With the different levels of stimulations of these cone cells, millions of different colors are formed. However, the light reaching the cone cells cannot form colors by itself. As Jeremy Nathans of John Hopkins Medical University explains, the cells in the eye do not form the colors:

     All that a single cone can do is capture light and tell you something about its intensity. It tells you nothing about color.

     Because of God's perfect creation, we see electrical signals as a bright world, full of color, made up of millions of shades of color, and we enjoy what we see. This is an extraordinary miracle that must be carefully considered.

     The cone cells translate the information they get about colors to electrical signals thanks to their pigments. The nerve cells connected with these cells transmit these electrical signals to a special area in the brain. The place where we see a world full of color throughout our lives is this special area in the brain. 

     This demonstrates that there are no colors or light beyond our brains. There is only energy which moves in the form of electromagnetic waves and particles. Both color and light exist in our brains. We do not actually see a red rose as red simply because it is red. Our brain's interpretation of the energy that reaches our eye leads us to perceive that the rose is red.

     Color blindness is proof that colors are formed in our brains. A small injury in the retina can lead to color blindness. A person affected by color blindness is unable to differentiate between red and green colors. Whether an external object has colors or not is of no importance, because the reason why we see objects colorful is not their being colorful. This leads us to the conclusion that all of the qualities that we believe belong to the object are not in the outside world, but in our brains. However, since we will never be able to go beyond our perceptions and reach the outside world, we will never be able to prove the existence of materials and colors. The famous philosopher, Berkeley, acknowledges this fact with the following words:

     If the same things can be red and hot for some and the contrary for others, this means that we are under the influence of misconceptions.

In the picture shown above, the green area on the left hand side appears to be dark while the green area on the right hand side appears lighter. In fact, the tones of both greens, as shown in the bottom are exactly the same. The red and orange colors next to the green bands trick us into thinking that the two green colors are of different tones. This again points to the fact that we do not see the original material world, we only see our interpretation of it in our brain.

The hearing process also operates in a similar manner to the visual process. In other words, we hear sounds in our brains in the same way that we see the view of the outside world in our brains. The ear captures the sounds around us and delivers them to the middle ear. The middle ear amplifies the sound vibrations and delivers them to the inner ear. The inner ear transforms these sound vibrations into electric signals, on the basis of their frequency and intensity, and then transmits them to the brain. These messages in the brain are then sent to the hearing center where the sounds are interpreted. Therefore, the hearing process takes place in the hearing center in essentially the same way that the seeing process takes place in the seeing center.      Therefore, actual sounds do not exist outside our brains, even though there are physical vibrations we call sound waves. These sound waves are not transformed into sounds outside or inside our ears, but rather inside our brains. As the visual process is not performed by our eyes, neither do our ears perform the hearing process. The outer ear captures sound waves and delivers them to the middle ear. The middle ear amplifies these sounds and transmits them to the inner ear. The inner ear converts these sounds into electric signals on the basis of their intensity and frequency and then sends them to the brain.      For example, when you are having a chat with a friend, you observe the sight of your friend in your brain, and hear his or her voice in your brain. As the view in your brain is formed, you will have a deep feeling of three dimensions, and your friend's voice is also heard with a similar feeling of depth. For example, you could see your friend as being a long way from you, or sitting behind you; accordingly you feel his voice as if it is coming from him, from near you or from your back. However, your friend's voice is not far away or behind you. It is in your brain.      The extraordinariness about the real nature of the sound you hear is not limited to this. The brain is actually both lightproof and soundproof. Sound never in fact reaches the brain. Therefore, despite the volume of the sounds you hear, the interior of your brain is actually very quiet. However, you hear noise, such as voices, very clearly in your brain. They are so clear that a healthy person hears them without difficulties or distortions. The brain is soundproof as well as lightproof. Therefore, even if the noises we hear are loud, the insides of our brains are very quiet. However, in this silence, there is a consciousness that can interpret electrical signals as a melody that he or she loves, or as the voice of a friend or the sound of the telephone ringing.     You hear the symphony of an orchestra in your soundproof brain; you can hear all the sounds in a wide range of frequencies and decibel from the sounds of the leaves to the sounds of jet planes. When you go to a concert of your favorite singer, the deep and loud noise that fills the whole stadium is formed in the deep silence of your brain. When you sing by yourself loudly you hear the sound in your brain. However, if you were able to record the sound in your brain with a tape recorder at that moment, you would hear only silence. This is an extraordinary fact. The electrical signals that reach the brain are heard in your brain as sound, for example the sound of a concert in a stadium filled with people.      All Smells Occur In The Brain      If someone is asked how he senses the smells around him, he would probably say "with my nose". However, this answer is not the right one, even though some would instantly conclude that it was the truth. Gordon Shepherd, a professor of neurology from Yale University, explains why this is incorrect; "We think that we smell with our noses, [but] this is a little like saying that we hear with our ear lobes."      Our sense of smell works in a similar mechanism to our other sense organs. In fact, the only function of the nose is its ability to act as an intake channel for smell molecules. Volatile molecules such as vanilla, or the scent of a rose, come to receptors located on hairs in a part of the nose called the epithelium and interact with them.      The result of the interaction of the smell molecules with the epithelium reaches the brain as an electric signal. These electric signals are then perceived as a scent by the brain. Thus, all smells which we interpret as good or bad are merely perceptions generated in the brain after the interaction with volatile molecules has been transduced into electric signals. The fragrance of perfume, of a flower, of a food which you like, of the sea-in short all smells you may or may not like-are perceived in the brain. However, the smell molecules never actually reach the brain. In our sense of smell, it is only electrical signals which reach the brain, as happens with sound and sight.            Conseqently, a smell does not travel in any particular direction, because all smells are perceived by the smell center in the brain. For example, the smell of a cake does not come from the oven, in the same way that the smell of the dish does not come from the kitchen. Likewise, the smell of honeysuckle does not come from the garden and the smell of the sea, some distance away from you, does not come from the sea.      All of these smells are sensed at one point, in a related area of the brain. There is no concept of right or left, front or back, outside of this sense center. Although each of the senses seem to occur with different effects, and may appear to be coming from different directions, they all in fact occur within the brain. The smells which occur in the smell center of the brain are assumed to be the smells of outside materials. However, the image of the rose is generated in the sight center and the smell of a rose is generated in the smell center. If there is a genuine smell outside, you can never reach the original of it.      George Berkeley, a philosopher who has realized the importance of this truth, says "At the beginning, it was believed that colors, odors, etc., 'really exist,' but subsequently such views were renounced, and it was seen that they only exist in dependence on our sensations." The purpose of the nose is to receive smell signals and transmit them to the brain. The smell of soup, or a rose, is sensed in the brain. However, a person can sense the smell of the rose or soup in his dream, even in the absence of any soup or roses. God forms such a convincing collection of senses within the brain with the taste, smell, vision, sense of touch and sound that it takes a lot of explanation to demonstrate to people that all of these feelings occur in the brain and that they are actually not dealing with the originals of anything they see. This is the magnificent knowledge of God.      It may be instructive to consider dreams in order to understand that smell is only a sensation. When people dream, in the same way that all images are seen very realistically, smells are also perceived as if they were real. For example, a person who goes to a restaurant in his dream may choose his dinner amid the smells of the foods that are on the menu; someone who dreams of going on a trip to the sea side senses the distinctive smell of the sea, and someone who dreams of a daisy garden would experience, in his dream, the pleasure of the magnificent scents. Likewise, someone who dreams of going to a perfume shop and choosing a perfume would be able to distinguish between the smells of the perfumes, one by one. Everything in the dream is so realistic that when the person wakes up, he or she might be surprised by this situation. A person can picture the face of his wife or imagine the smell of a daisy in his brain with little concentration. The question then is that who is seeing without the need of an eye or smelling without the need of a nose things that physically do not exist nearby? This being is the soul of the person.      In fact, it is not necessary to examine dreams to understand the subject. It is even sufficient to imagine one of the depictions that were mentioned, such as the example of the daisy. If you concentrate on the daisy, you can feel as if you are aware of its scent, even though it isn't there. The scent is now occurring in the brain. If you want to visualize your mother in your mind, you can see her in your mind, even though she isn't there in front of you; in the same way you can imagine the smell of the lily, even though it isn't there.      Michael Posner, a psychologist and Marcus Raichle, a neurologist from Washington University comment on the issue of how sight and other senses occur, even in the absence of an external stimulus:      Open your eyes, and a scene fills your view effortlessly; close your eyes and think of that scene, and you can summon an image of it, certainly not as vivid, solid, or complete as a scene you see with your eyes, but still one that captures the scene's essential characteristics. In both cases, an image of the scene is formed in the mind. The image formed from actual visual experiences is called a "percept" to distinguish it from an imagined image. The percept is formed as the result of light hitting the retina and sending signals that are further processed in the brain. But how are we able to create an image when no light is hitting the retina to send such signals?       There is no need for an external source to form an image in your mind. This same situation holds true for the sense of smell. In the same way as you are aware of a smell which does not really exist in your dreams or imagination, you cannot know about those objects, which you smell in real life, that exist outside you. You can never deal with the original objects.      All Tastes Occur In The Brain      The sense of taste can be explained in a manner similar to those of the other sense organs. Tasting is caused by little buds in the tongue and throat. The tongue can detect four different tastes, bitter, sour, sweet and salty. Taste buds, after a chain of processes, transform sensory information into electrical signals and then transfer them to the brain. Subsequently, those signals are perceived by the brain as tastes. The taste that you experience when you eat a cake, yogurt, a lemon or a fruit is, in reality, a process that interprets electrical signals in the brain.      An image of a cake will be linked with the taste of the sugar, all of which occurs in the brain and everything sensed is related to the cake which you like so much. The taste that you are conscious of after you have eaten your cake, with a full appetite, is nothing other than an effect generated in your brain caused by electrical signals.      You are only aware of what your brain interprets from the external stimuli. You can never reach the original object; for example you cannot see, smell or taste the actual chocolate itself. If the taste nerves in your brain were cut off, it would be impossible for the taste of anything you eat to reach your brain, and you would entirely lose your sense of taste. The fact that the tastes of which you are aware seem extraordinarily real should certainly not deceive you. This is the scientific explanation of the matter.      The Sense Of Touch Also Occurs In The Brain           The sense of touch is one of the factors which prevents people from being convinced of the aforementioned truth that the senses of sight, hearing and taste occur within the brain. For example, if you told someone that he sees a book within his brain, he would, if he didn't think carefully, reply "I can't be seeing the book in my brain-look, I'm touching it with my hand". Or, if we said "we cannot know the original of this book that exists as a material object outside", again the same superficially minded person might answer "no, look, I'm holding it with my hand and I feel the hardness of it – so I know what it actually is like ".      However, there is a fact that such people cannot understand, or perhaps just ignore. The sense of touch also occurs in the brain as much as do all the other senses. That is to say, when you touch a material object, you sense whether it is hard, soft, wet, sticky or silky in the brain. The effects that come from your fingertips are transmitted to the brain as an electrical signal and these signals are perceived in the brain as the sense of touch. For instance, if you touch a rough surface, you can never know whether the surface is, in reality, indeed a rough surface, or how a rough surface actually feels. That is because you can never touch the original of a rough surface. The knowledge that you have about touching a surface is your brain's interpretation of certain stimuli. The fact that you are feeling the book you are reading now does not change the fact that you are seeing the book within your brain. As with the appearance of the book, the sense of touching the book also takes place in your brain.       A person chatting to a close friend while drinking a cup of tea immediately lets go of the cup when he burns his hand on the hot cup. However, in reality, that person feels the heat of the cup in his mind, not in his hand. The same person visualizes the image of the cup of tea in his mind, and senses the smell and taste of it in his mind. However, this man does not realize that he actually has contact only with the copy of the tea within his brain. He assumes that he has direct contact with the original glass, and talks to his friend, whose image occurs again within his brain.      In fact, this is an extraordinary case. The assumption that he is touching the original glass and drinking the original tea, which appears to be justified by his impression of the hardness and warmth of the cup and the taste and smell of the tea, shows the astonishing clarity and perfection of the senses which exist within one's brain. This important truth, which needs careful consideration, is expressed by twentieth century philosopher Bertrand Russell:      As to the sense of touch when we press the table with our fingers, that is an electric disturbance on the electrons and protons of our fingertips, produced, according to modern physics, by the proximity of the electrons and protons in the table. If the same disturbance in our finger-tips arose in any other way, we should have the sensations, in spite of there being no table.       The point that Russell makes here is extremely important. In fact, if our fingertips are given a stimulus in a different manner, we can sense entirely different feelings. However, as it will be explained in detail in due course, today this can be done by mechanical simulators. With the help of a special glove, a person can feel the sensation of stroking a cat, shaking hands with someone, washing his hands, or touching a hard material, even though none of these things may be present. In reality, of course, none of these sensations represent occurrences in the real world. This is further evidence that all the sensations felt by a human being are formed within the mind.

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