The lens of the eyeball focuses light back onto the retina, where photoreceptive rods and cones are affected by the wavelength of the light. Information about the light entering the eye travels through the optic nerve, where it is then interpreted by the brain. The brain is responsible for taking raw data about light wavelengths and untangling the patterns, using memory in order to make sense of the images that the brain ultimately “sees." Our eyes transmit a tremendous amount of information back to the brain, and it requires too much brain power to process all of it. In order to make the job easier, the brain has devised shortcuts to understand what it is seeing. Shadows, perspective, and color are all clues the brain uses in order to make decisions about what it is looking at. This called Apophenia – the human tendency to perceive meaningful patterns within random data.
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