The monkey sees the world. The world through the eyes of animals

The world as animals see it has only recently opened up to humans thanks to the development of scientific technologies. Many creatures see our world as gray and blurry, but some see it in complete darkness and even in such spectra that humans cannot see. the world.

For example, animals from the family equine(horses, zebras) see the world using peripheral vision, because their eyes are located on the sides of their heads and their viewing angle is 350 degrees. They perfectly see what is on their side, but there is one drawback - they do not see what is in front of their nose. A horse sees two pictures and cannot combine them into a single image like a human. They also see shades of green and blue, but the rest is blue.

This is the picture a horse sees

Monkey see like a person. They distinguish between green, red and blue colors. But some species of primates do not see them.

Birds see a wider range of colors than humans. They are able to see ultraviolet light. Pigeons can see 5 zones of the spectrum and distinguish between millions of different shades.

U vulture, vulture or eagle- binocular vision. Thanks to this, they can find prey at an altitude of thousands of meters.

What owls going blind during the day is a myth. They see well both day and night, but at night their vision becomes sharper and they see 100 times better than a person.

Cats and dogs do not have very good eyesight, so they rely more on their nose and ears. Cats have poor color vision, but they have better night vision. Dogs have slightly better vision than cats - they can distinguish between yellow and blue colors.

This is the range of colors dogs can distinguish

This is how cats see in the dark

The eyes are sensitive to movement, so they do not notice prey that is not moving. But at night, their eyes pick up infrared signals, i.e. the heat that the body of animals radiates.

This is how a snake sees a person in the dark

Insects, thanks to the special structure of their eyes, see the world around them like a mazay. In the eye of insects there are many corneal lenses, and each lens transmits its own image and is a particle of the overall image. Some insects have up to 30,000 of these lenses in their eyeballs.

An interesting fact is that some representatives of marine fauna have better vision than terrestrial animals. For example, he has the most thorough vision. While most animals have only one receptor responsible for the perception of color, this crustacean has 8 types. No one even knows exactly how many colors his eyes can distinguish, but this figure will be fantastic.

The monkey saw - the monkey did

Have you ever wondered why you flinch when you see someone get hit? After all, you weren't the one who got hit, but you are copying the other person's reaction. Neuroscientists are studying the neural basis of this social copying phenomenon after the discovery of brain cells aptly called “mirror neurons,” which are found to fire in concert with the sight of other people's actions. Mirror neurons can be found in areas of the cerebral cortex located toward the front of the top of the head, known as the secondary motor cortex. These areas are involved in the processes of planning and executing actions.

The mirror neuron system was discovered by accident in the laboratory of Italian neurophysiologist Giacomo Rizzolatti in the 1990s. I remember attending Rizzolatti's first lectures, where he talked about how he and his colleagues implanted an electrode in a monkey's motor region to study the neural activity as the monkey reached for a nut. As expected, the neurons fired when the animal reached out for the reward. But what they didn't expect was that the same neurons fired when the animal watched a human researcher reach out to pick up a nut.

How can this be? After all, the electrode was located in the neurons of the motor cortex of the monkey’s brain, not a human’s. It was as if the motor neuron, like a mirror, reflected the action of another being. The monkey's mirror neurons did not activate with any human movement, but only with movements aimed at picking up a nut. The neuron seemed to know the experimenter's goal. Are mirror neurons a special class? nerve cells, remains a hotly debated issue, but it resonates with the actions of other people (other beings) and thus provides insight into what is on their minds.

The discovery of mirror neurons spread through the scientific community like wildfire. Some have compared the effect of their discovery on neurobiology to the effect that deciphering the structure of DNA had on biology. This is because mirror neurons provide us with the ability to know the goals and intentions of others. Mirror neurons act like a direct link between consciousness different people in much the same way that computers can be connected on a local network, and what I type on my laptop will appear on your screen. This possibility was a huge step in understanding the problem that neuroscientists have been working on: how we know that others have minds like ours.

If my mirror neurons fire when I look at someone else's actions, then since my own actions are already connected to my own mind, I only need to know what's on my mind to know what you're thinking. As noted earlier, if I smile and you automatically smile back, it triggers happy thoughts and good feelings in me. By reflecting your behavior in the brain, I can directly experience the emotional state that you are experiencing. When we copy another person's facial expression using our own facial muscles, we can easily access the same conditions that are usually responsible for producing that facial expression. Perhaps this is why people with temporary paralysis of the facial muscles (after Botox injections to remove wrinkles) do not understand the emotional reactions of others very well - due to the fact that they are not able to copy them.

The work of mirror neurons partly explains why we love watching movies and plays. When we look at others, we are able to directly experience their feelings. By empathizing with the emotions of others, we experience their pain and joy. In a state known as mirror touch synesthesia, individuals literally feel the pain of others. For example, they cannot watch Raging Bull or other boxing films. Brain scans have found that when such people look at others, their mirror system, which is associated with touch, is over-activated. Another area that is activated is the anterior insula. It gets excited when we differentiate between ourselves and others. But with mirror touch synesthesia, it is silent, and it is difficult for a person to distinguish between what is happening to him and what is happening to someone else.

According to synesthesia specialist Jamie Ward, only 1 in 100 people have mirror touch synesthesia, but many people experience a more subdued experience, flinching when they see someone being hurt. Other people's emotional expressions activate the same neural circuits that are active during our own traumatic experiences. This is exactly what “tear-squeezer” films and TV shows are designed for. They act directly on the same areas of the brain that are activated in our head when we feel sadness and sadness. TV producers have been exploiting this effect for decades, using recorded laughter, for example, to evoke a similar response from viewers because laughter is emotionally contagious. We can't help but smile when others smile. This effect is enhanced if the laughter is occasionally interspersed with bursts of Homeric laughter from one of the spectators in the studio audience.

Mirror neurons act like a direct connection between the minds of different people, much in the same way that computers can be connected in a local network.

The presence of mirror neurons may explain other aspects of social behavior. For example, our tendency towards social mimicry - uncontrolled behavior in which we unconsciously reproduce the movements and actions of another person. For example, when people line up, they leave approximately equal amounts of space between them and often take the same poses. People in rocking chairs, if they look at each other, involuntarily sooner or later come to the point that they begin to rock in unison. During the conversation, a person begins to cross and spread his arms and legs, nod his head and copy other movements, synchronizing them with the interlocutor, although this does not say anything about whether he likes the interlocutor and how much he agrees with his opinion. This phenomenon is discussed in more detail in Chapter 6, as mimicry has been shown to be indicative of how we react to other people who we perceive as liking us or not.

What about yawning? Have you ever felt the involuntary urge to yawn while watching someone else stretch their mouth and let out that drowsy moan? About half of us will yawn when we see someone yawning. No one knows exactly why humans as a species do this. One theory is that this behavior helps us synchronize our biological clocks. However, a more intriguing explanation holds that yawning is a form of emotional contagion: as a rapidly spreading disease, we contract the need to copy others for the sake of ostensibly establishing social connection. This may explain the fact that contagious yawning is unusual in infants and develops around 3–4 years of age, when children develop awareness that others are having thoughts.

What about vomiting? The mere sight of someone else feeling sick can cause involuntary spasms in those around them. In the movie Stand By Me, there is some truth to the story of the "blevorama" told by Gordy around the campfire, in which main character, Lardazz (Fat Ass), caused mass vomiting in the crowd attending a village pie-eating contest. It's not just about the spectacle of what's happening. In one survey looking at what sounds people found most horrifying, the sounds made by a person vomiting were voted the most disgusting. Such emotional contagion would be very effective way receive from others useful information about what is dangerous and what is safe to eat. After all, our idea of ​​what is disgusting is shaped by what others around us think. It is as if all our systems for paying attention to other people were tuned to resonate with their experiences.

If we smile, cry, yawn, wince, cringe, sway, nod, synchronizing with and fundamentally imitating others, to what extent are these actions generated by an autonomous self independent of others? Of course, when our attention is drawn to such reflected behavior, we may resist the urge to copy, but that is not the point. In normal situations, resonance with others is in our nature, and that is why the above examples demonstrate our innate dependence on others. And it is a component of the illusion of the Self.

These discoveries reveal a huge number of external, extraneous factors vying for control over us. If we resist, we do so through effort or alternative actions. One can look at the self in control as an internal agent who does not want to do what the group wants. I would say that we are sometimes able to veto the influence of others, but this is not our natural trait. Yes, most of us are able to redirect actions to achieve a different outcome, but this is simply a reconfiguration of states and motivations. We can do this consciously, but not always.

Our self is in a state of control, like an internal agent who does not want to do what the group wants.

Imitation blinds us in close relationships with others, but imagine what would happen if you imitated everyone you encountered. Imagine being unable to redirect your actions and stop copying others. When there are so many people around doing different things, it will quickly overwhelm you. You will lose yourself by completely identifying with others. Oliver Sacks, a neurologist, describes his encounter on the streets of New York with a woman who uncontrollably copied every person in the crowd she passed. She was over 60, and she imitated the movements and facial expressions of every passerby in rapid succession - no more than one or two seconds for each. Since all passers-by reacted to her frank demonstration with irritation, this state, in turn, was reproduced in response, thereby increasing the absurdity of the situation. Sachs followed the woman as she turned into an alley. “And at that moment, the obviously seriously ill woman rattled off in extremely rapid and abrupt succession all the gestures, postures, facial expressions, mannerisms and complete repertoire of behavior of the last 40 or 50 people she had passed. She made one huge pantomimic burp in which she spewed out all the identities she had tried on of the last 50 people who passed her.”

The unfortunate woman suffered from an extreme form of the disease called Tourette's syndrome. It is characterized by involuntary movements, thoughts and actions. We usually copy others unconsciously, but for her, imitation became a compulsive behavior. Fortunately, Tourette syndrome is a rare disorder. However, it demonstrates how each of us has to manage our behavior in order to remain within socially acceptable limits. As a rule, if we have an urge, we can use our will to control it. Without even realizing it, we are constantly fighting a battle with our impulses and urges, which, if left unchecked, will turn us into socially maladjusted types. Most of us have socially inappropriate thoughts about others, but we are usually able to keep them to ourselves. Imagine how difficult life would be if you followed your every impulse and told everyone exactly what you thought.

There will be a real doomsday if social norms are destroyed, which is why we control ourselves in public. This control is achieved through mechanisms that involve the frontal lobes of the brain, they regulate and coordinate our behavior by inhibiting harmful impulses. And the frontal lobes in humans are one of the last to finally form, which explains the impulsiveness of children and adolescents. They have not yet learned to control their urges.

Those with Tourette's syndrome also have impaired impulse control. Their tic symptoms are spasm-like and seem to be triggered automatically. Some tics are as simple as twitching, while others are more complex and aggressive (for example, coprolalia - the urge to shout insults). Many of us are sometimes ready to burst into curses, but a person suffering from coprolalia cannot stop himself from such actions. Medicines that affect the activity of inhibitory neurotransmitters can alleviate tics, but to date there is no complete cure for Tourette syndrome. Sufferers of this disorder are in a constant battle to control their tics, and these battles become more severe when there are other people around. As the pressure to behave normally increases, the urge to tic may intensify, like an itch in a place you can't scratch in public. And what more people tries to restrain the tic, the more persistent it becomes, as happens with sneezing. It is clear that his encounters with people cause enormous stress, worsening the person's condition as he tries to control himself in a crowd.

However, many of us experience similar impulses in social situations. But why? I think the answer to this question comes down to the same problem that Tourette syndrome sufferers face. The presence of other people provokes anxiety when we are aware of ourselves in public. We feel watched and judged, which critically reinforces our need to appear normal. This fear, in turn, further increases anxiety levels. And as anxiety increases, we lose control of our impulses and impulses.

Where does this self-awareness come from if not from others? Babies are initially unaware of themselves. Somewhere in childhood we begin to develop a sense of self-identity and worth. When we discover who we are, we begin to evaluate ourselves based on what others think of us. Gaining the respect and social approval of others is probably one of our main concerns. But - you may object - who controls antisocial thoughts and actions, if not Me? The answer is that other people both provoke these anxiety reactions and suppress their expression.

Early social development begins with copying others, and we continue to do this throughout our lives. The Illusion of Self works in such a way that we either do not notice to what extent we copy people, or we think that we imitate them of our own free will. When we act socially, we think we are calling the shots and pulling the strings, but this belief in our own autonomy is part of the illusion. We are much more dependent on others than we realize. We strive to be part of a group, but this in turn means that we must control our behavior. You can't do whatever you want and get approval. We want others to value us, but even to increase our self-esteem, we must first find out what others think about us. This requires developing awareness and understanding of what others think. This requires some experience and knowledge.

This text is an introductory fragment. From the book Twenty Great Discoveries in Child Psychology by Dixon Voles

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Probably, many would be interested in looking at the world around us through the eyes of a dog. Or. let's say horses. We will try our best to provide you with this opportunity. So, what and how do our little brothers see?

Firstly, it should immediately be noted that the vision of most mammals perceives colors and shades rather weakly. This is most likely due to the fact that a long time ago, in the era of dinosaurs, it was quite risky for mammals, and especially herbivores, to travel in bright sunlight, when the whole world shimmered with cheerful colors and everything was clearly visible. Weak animals (compared to those monsters whose remains now adorn zoological museums) preferred to hide in secluded places during the day, sleep, and search for food at night. It is clear that in this situation there was no particular need for color vision, but the ability to see in the dark was only welcomed.

But soon the dinosaurs died out together, the smaller animals breathed more freely and actively began to expand their perception of the color gamut, to get acquainted, so to speak, with the world of the sun and rainbows. Many (for example, human ancestors) got so carried away that they even lost their night vision skills - this is undoubtedly very sad.

By the way, Japanese scientists recently found out that it was most likely the loss of night vision that forced primates to take an upright stance and start walking on two legs instead of four.
The experiment carried out by the researchers was very simple. The Japanese took their Japanese monkeys and put scuba diving goggles on them (which significantly narrowed the subjects' field of view) or very dark sunglasses (thus impairing visibility as much as possible). As a result, animals moving on four limbs stood together on their hind legs in order to use their front legs to determine their path in the dark and avoid collisions with walls and objects.

“Today there are many versions explaining the process of evolution from ape to man. - said the head of the scientific group, Yoichi Sugita. “But now we have at least established that the ability to feel the way in a dark, dense forest or in a cave, moving exclusively on its hind legs, has significantly expanded the limits of movement.”
It may have been expanded, but the night vision is still pathetic. Haven't we paid a lot for the opportunity to walk with our heads held high? But this, as they say, is a theory. Maybe it wasn't like that.

Here we must also add that monkeys have vision three times sharper than humans. They determine colors in almost the same way as we do, but still at night most primates (with rare exceptions) prefer to sleep rather than look for adventures on their own - their eyesight does not allow it.

This is how monkeys see


Those who have managed to retain the ability to see in the dark, both at night and in the light, do not distinguish all colors. For example, red and green tones of foliage, grass and fruits are inaccessible to cats, but for dogs, red and orange are all the same; in their eyes, the world consists of very faded shades of blue-violet and yellow-green. But dogs, unlike humans, see the ultraviolet spectrum.

The hedgehog generally only perceives yellow-brown tones, albeit gently: worms, the hedgehog’s favorite food, are painted in this color. But the vole mouse can distinguish yellow from red, because it has to sort out where the ripe fruits are and where the unripe ones are, but... however, this is where her skill ends.

This is how cats see at night




The horse's "outlook on life" is interesting. First of all, her eyes are positioned like this. that the view is 350 degrees, and therefore the horse sees absolutely everything. in addition to what is located immediately behind the back of her head, above her forehead and under her muzzle. Consequently, the horse often sees objects that the rider has not yet noticed. If you love to ride and your horse suddenly becomes agitated, just watch where his ears are turned - they always point that way. where to look.

This is how horses most likely see



Secondly, horses have a developed ability to see in the dark and perfectly estimate distances to objects by eye (as evidenced by their ability to immediately, without thinking, take on obstacles). The only thing in which horse vision is inferior to human vision is color perception. True, scientists have not yet come to a final conclusion: do horses live in a world of yellow-blue tones or are green shades closer to them, and whether they distinguish gray from red. The opinions of researchers on this matter are extremely contradictory.

Chameleons have amazing vision. Everyone knows that their eyes can independently turn in different directions and view everything in a panoramic view. But here’s what’s interesting: it turns out that each eye of a chameleon transmits its own, ready-made, verified and clear picture to the brain. In other words, the chameleon sees and perceives with its small brain two gorgeous landscapes at once, without connecting them to each other (as if it has two surveillance monitors in its head), which is not given to humans (and other animals!) in principle.

As for bird vision, we can only envy it.
For example, a falcon is able to see prey only 10 centimeters in size from a distance of one and a half kilometers, and the speed of movement of both the falcon itself and the prey does not affect the vigilance of this bird. The vulture sees a small, insignificant mouse from a distance of five kilometers and will not let it pass under any circumstances, unless it itself manages to react correctly and hide.
Owls, contrary to the popular myth that they go blind in the light, are quite capable of seeing during the day. At night, their eyesight exceeds that of humans by almost 100 times!

Common pigeons, due to their visual acuity, were once even used in industry. After all, these birds, unlike humans, see the smallest cracks in smooth surfaces. After a couple of days of training, the pigeons understood that when a good part passes by them on the conveyor, they need to sit quietly, and when there is a crack, they need to peck at the lever. The mechanism will drop the part from the conveyor, and a feeder will open in front of the beak for a short time.

This is how a snake sees a person



Once there was such a case: trained pigeons were sent to sort balls for bearings. At first everything went fine, but soon the birds began to reject all the balls in a row. Then it turned out that the pigeons independently increased the level of quality assessment and began to reject products even with human fingerprints. I had to wipe the balls so that picky inspectors would consider them acceptable. The most interesting thing is that pigeons (unlike people) never slacked, they never found fault with details in vain, although they received their “salary” by the piece, that is, they could open a feeding trough for themselves by sending a dozen or two extra balls to marriage.
And finally - some good advice. It’s completely pointless to sneak up with a slipper in your hands (or a newspaper, or other “ deadly weapon") to a cockroach. And all because it notices and records movement of 0.0002 millimeters.

So, if you are hunting for cockroaches, the main thing for you is the suddenness of the appearance and high speed of movement around the kitchen.

    and idk, by the way, why didn’t I pay attention to this!!! well, kind of like colored

    I have no idea

    You can often hear that colored dreams only happen when there are disorders nervous system. However, such a statement is not true. Colored dreams are a fairly common phenomenon. According to researchers, about twenty percent of people see them. The same studies showed that almost all people have colored dreams. healthy people regardless of age or profession. However, everyone who sees colorful dreams is characterized by increased emotionality. Scientists have also discovered a very interesting relationship between colored dreams and mood. If a person has had a hard day and is overtired, then most likely his dreams will be black and white. If some pleasant events have occurred, and a person is in a light, upbeat mood, at night he will be “showed” a colorful dream.

    sleep - brain function, they have a crappy video card

    vinyl

    My dreams are always different and always colorful =) I often remember dreaming about this. It also often happens that déjà vu happens. Oh, I’ll dream about it, I don’t pay attention to it, and after about a year or 2 I see it in real life. For example, I dreamed of people whom I didn’t know at all and situations and 4after some time I met someone and it turns out I had already seen this 4person in a dream Oo

    If I were a doltonic person, maybe everything would be purple or black and white, but the dreams that I remember are bright and rich, and not only with colors =]

    Dreams are colorful. I can't even imagine how these can be black and white dreams...

    People are colored and Dogs are Black and White... although they can distinguish some shades of colors...

    can not see side effects usually on the face...

    Today at 22:46 I didn’t like the answer
    on the contrary, it emphasizes

    It emphasizes facial features and removes all sorts of pimples and wrinkles, they become invisible.. geez!!!

A monkey's vision is important place among its six senses. It helps to navigate in space, get food and protect from danger. But the most amazing thing is that vision different types monkeys may differ.

Instructions

According to scientists' research, mammals, including monkeys, lost color vision at the very beginning of their evolution, having lost two of the four opsins - the photosensitive protein gene. This is why almost all animals now have black and white vision.

However, some species of monkeys eventually regained trichromatic vision. Like humans, they have three types of light-sensitive cells that are tuned to the wavelengths characteristic of green, red and blue. Prominent representatives of such monkeys are gorillas, orangutans, chimpanzees, as well as howler monkeys living in the Central and South America.

New World monkeys see differently. Nocturnal South American duruculi, for example, have monochrome (black and white) vision. Males in spider monkeys and clawed monkeys are dichromats, which cannot see shades of green or red. But in females of these species, tricolor and bicolor vision occurs in a ratio of 60:40. Since monkeys live in large groups, the presence of even one female with tricolor vision greatly facilitates the task of survival for the entire group.

It is still not known for certain what gave impetus to the development of three-color vision. Some scientists attribute this to the loss of a significant part of the sense of smell, others - to the way of life and nutrition, since only color vision allows monkeys to find young and succulent leaves certain plants, which feed on certain species of monkeys.

Meanwhile, monochromatic and dichromatic vision also have their advantages. The first allows monkeys to better navigate in the dark, which is especially important for nocturnal durukuli, and the second helps to recognize the camouflage of predators and prey. The latter are grasshoppers, lizards and frogs that mimic with the help of light.


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