To Some, Lights Are Noisy

Scientists at the California Institute of Technology have discovered a new form of synesthesia, a rare but benign condition in which some people see the world quite differently than the rest of us. To them, letters or numbers have specific colors and tastes, may have specific shapes, because one sensory perception mysteriously leads to an automatic experience in a second sensory pathway. Now, it turns out, some synesthetes hear sounds when they see movement or flashes of light. The discovery...Full Story
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