'Synaesthesia' is a perceptual phenomenon in which stimulation of one sense organ leads to automatic, involuntary experiences in a second sense organ. Such associations can occur in any combination and in any number of senses. There are various types of synaesthesia. The most common are: Colour-graphemic synaesthesia: In this type of synaesthesia, letters or numbers are perceived as inherently coloured. … Continue reading DO YOU SEE RED WHEN YOU HEAR MOZART?