What is Synaesthesia?

Synaesthesia, a harmless condition that allows a person to appreciate sounds, colours or words with two or more senses simultaneously.Murnau - Castle Courtyard I, 1908 by Kandinsky Wassily Kandinsky is believed to have had synaesthesia. In his case, colours and painted marks triggered particular sounds or musical notes and vice versa. The involuntary ability to hear colour, see music or even