Why do we see colors in a black-and-white top?

When a pattern drawn only in black and white is rotated, people sometimes perceive colors that are not actually present. This phenomenon, known as "subjective color," has been studied for approximately 200 years as one of the remarkable mysteries of vision. Among such phenomena, Benham's top is a well-known example in which colors are perceived simply by spinning a black-and-white disk. Researchers have now used an artificial neural network trained through predictive learning to investigate the mechanism underlying this subjective color phenomenon.

Read it at Medical Xpress ↗

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