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Dear Doctors: When our grandson first learned his colors, he sang them along with music. We thought he was copying that song for learning the ABCs. But when he got older, he started saying that he ...

Q: When our grandson first learned his colors, he sang them along with music. We thought he was copying that song for learning the ABCs. But when he got older, he started saying that he “hears” the ...

A special perceptual phenomenon seen in some people that causes not only normal sensations but also different types of sensations in response to a stimulus is called 'synesthesia.' People with this ...

People with synesthesia often report perceiving letters as appearing in different colors. But how do their brains accomplish this feat? What is perhaps most puzzling about this condition is that ...

Richard Cytowic, a pioneering researcher who returned synesthesia to mainstream science, traces the historical evolution of our understanding of the phenomenon. By Richard E. Cytowic / MIT Press ...

A special perception that produces different types of sensations as well as general sensations for a given stimulus is called synesthesia. People who have a synesthesia of “sounds appear as colors” ...

The “normal” form of the condition called synesthesia is weird enough: For people with this condition, sensory information gets mixed in the brain causing them to see sounds, taste colors, or perceive ...

I first heard about synesthesia when I was a kid, and it sounded amazing. People can hear colors! See music! What a fantastical, psychedelic world they must see. It was another 20 years before I ...