When the Rotating Snakes illusion is presented in grayscale, most people still perceive motion, but less than in the original color version.
March 24, 2014 Illusions aren't just for fun; they also help reveal how human vision works. Commentator Tania Lombrozo turns to an expert for an explanation of why we perceive motion where none exists.
June 29, 2013 Misperception tells us something about how we perceive. But when it comes to optical illusions, sometimes getting the illusion is a kind of perceptual success. Enjoy this viral video of young German dancers creating unexpected patterns with their movements.
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