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 ...

One lucky guy seems to be experiencing the world’s most colorful sex. His rare form of synesthesia is triggered by orgasm, causing him to briefly see the world in hues of pink. And as a teenager, ...

Hollywood actress Cynthia Erivo recently revealed she experiences synesthesia, a sensory phenomenon where she sees colours when hearing music. Affecting about one to four per cent of people, ...

In a 1913 article in the The Journal of Abnormal Psychology, Isador Coriat describes a case of “colored pain,” which is still considered a rare form of synesthesia. These synesthetes perceive colors ...

I have a form of time–space synesthesia, so the new year arrives for me in a very physical way. I feel myself move around the year, almost like I'm traveling along a structure. December sits low and ...