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 ...

Erica Flor's first name begins in blue, shades into an amorphous yellow and ends boldly in red. That's what it looks like when Flor reads her name letter by letter. Otherwise, when she's skimming, her ...

Synesthesia is a perceptual experience in which one sensory input (like a letter or number) is automatically associated with another sensory experience (like a color or feeling). The prevalence of ...

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 ...