In the face of illusion, why is your brain always “stubborn” and trying to prevent you from seeing the truth?

When you are observing an object, will the object be interfered by light, shape and color, coupled with psychological preconceived ideas, resulting in a judgmental visual error that does not match the reality? Don’t worry, let’s take a look at the following examples.

color illusion

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This image is called “chessboard shadow illusion”, which was created by Professor Adelson of MIT in 1995. Although you may think that the color of a grid is darker than B grid, in fact, their colors are the same. The simplest way is to cover the lattice except for a and B, which can be seen clearly.

Mingjia Kitaoka from Japan created this “eye color”. In the picture, the left eye of the little girl looks gray and the right eye is blue, but in fact, the two eyes are the same color. We can use the above method to verify again, covering the other side, leaving two pupils.

Take a look at these two lattices. You will think that the color of the lattices above will be darker, right? However, their colors are the same, you just need to cover your fingers in the middle of the two grids, you can see it.

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The illusion of size and shape

In the aspect of size illusion, the most famous illusion is from Ebbinghaus, a German psychologist. In this picture, although the orange dots of the left and right figures are the same size, if you look at them together with the gray blue dots, you will feel that the right is larger than the left. Only when we cover the gray blue dots can we make a judgment.

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In this picture by penzo, a psychologist from Italy, the length of the yellow line at both ends is actually the same, but you will find that no matter how you look at it, you will think that the one above will be longer.

peripheral drift illusion

There are many pictures of peripheral drift illusion. It is a static picture, but it seems to be a dynamic picture. How can we verify whether it is dynamic or static? As long as you enlarge it, you can see that these points are static.

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Multistability perception

In fact, multistability can be understood as “ambiguity”, that is, when you see some pictures, you will think it is like a. in another way, you will think it is like B.

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The most famous example of multi steady state perception should be the “revolving female dancer” designed by Japanese designer shinko maohara. In this dynamic picture, the female dancer is constantly rotating, but the direction of her rotation is actually uncertain, because you can say that she is rotating clockwise or counterclockwise. It all depends on which leg you think she is lifting.

And you can also close your eyes for a while, squint and other ways to see, so that you can change the direction of her rotation, if these methods are not available, then take a look at this guide map, let it help you change the direction of rotation.

What’s wrong with our brains?

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In the visual illusion, there is a very strange problem. It’s a very simple composition, even as simple as lines and circles. But as the most complex brain on earth, it’s so easy to cheat. What’s more annoying is that you know the truth, even if you have been told that the two figures are the same, but your brain is still stubborn. Why? What’s wrong with our brains?

In fact, we can divide the brain mechanism into the following three aspects:

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1、 The brain’s instinctive response

When you finish reading, do you find any problems? In fact, our brain will not allocate too much attention to the things we are familiar with, but just perform according to experience.

2、 Brain delay

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Our brain is still too slow. As soon as we open our eyes, things around us will be imaged on the retina. However, when the brain processes these image information, it takes about 0.1 seconds.

We can understand 0.1 second as the process of focusing the camera. Our brain needs different focusing speed for different areas of light and dark. A brighter spot will focus faster. So when we look at a picture with complex light and dark changes, the brain will constantly repeat the focusing process, especially when the position you see is erratic, the brain can’t focus accurately, so you will see the static picture as dynamic.

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3、 The brain is lazy

In fact, the brain will be lazy, it will instinctively choose things easier to accept and understand. For example, the “spinning female dancer” mentioned above, the direction of rotation you see at first sight will continue. Even if you are told that there is another possibility, it is difficult for you to switch freely.

This preconception can also be attributed to brain laziness. Because to switch to the other direction of rotation, the brain needs to make great efforts. Instead of trying so hard to accept another possibility, it’s better to enjoy the female dancer’s dancing!

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There are too many unsolved mysteries in the world, especially the speculation about prehistoric civilization, such as pyramids, Mayan temples and so on. How can these incredible buildings be built with the wisdom and level of ancient people? There is no evidence yet.

Although archaeologists, architects and other professionals can make some reasonable conjectures according to their own knowledge, for ordinary people, we still tend to say more simply, such as alien built, God built, because their ability is beyond our measure, so we put these problems on them, our own The brain is relaxed and doesn’t need to tangle too much.

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What do you think of this? Welcome to comment area.

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