What We Think About Affects What We See

There is a large mass of neurons in the visual cortex of the brain devoted to producing complicated responses to color. These neurons respond to what you see by sorting through the colors received by the eyes. But, if you show someone a blue apple, he/she may “see” the apple as red.

What is intriguing is that when scientists monitor the visual cortex it is actually the neurons associated with the color “red” that respond and send messages to the brain, even though the eye is seeing blue! After discoveries like this, scientists have concluded that neural structures are not only built to respond to what a person is seeing but also to what a person believes they should be seeing. The same is true with any human experience.

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