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, ...

Add Yahoo as a preferred source to see more of our stories on Google. Sometimes, when the sex is really good, the colors come. As Holly approaches orgasm, a pastel filter descends over her vision, ...

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 ...

A person hears a piece of music and, at the same time, sees a deep blue colour. Another reads a word and senses a light taste, as if flavour ...