Synaethesia is a neurological condition that gives rise to a 'merging of the senses': those with the condition might experience certain numbers as a specific colour, or certain words as a taste. Simner describes synaesthesia's many forms, discusses its links with artistic creativity and lateral thin...

Synaethesia is a neurological condition that gives rise to a 'merging of the senses': those with the condition might experience certain numbers as a specific colour, or certain words as a taste. Simner describes synaesthesia's many forms, discusses its links with artistic creativity and lateral thinking, and delves into the underlying neuroscience.