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The âHuman White Balanceâ in the Brain. Human visual perception does not work like a technical measuring instrument that projects signals from the eyes on some kind of âmonitorâ in the brain. The pictures we perceive are created in the brain and after the brain has compared the signals from the eyes with known patterns and colors.
Experimentally, CP is revealed when an observerâs ability to make perceptual discriminations between things is better when those things belong to different categories rather than the same category, controlling for the physical difference between the things.ategorical perception of color is lateralized to the right hemisphere in infants, but to the left hemisphere in adults.