Synesthesia and the brain: yup, that tasted purple!

In everyday language, a sound can be “sweet”, and a taste can be “light”. For some people, this association across different senses is exceptionally more vivid and real– the stimulation of one sense causes unusual experiences in other senses. What is going on within the brains of synesthetes to cause this swap? Continue reading Synesthesia and the brain: yup, that tasted purple!