Do you taste something bitter when you hear the right word? Maybe you see a flash of a certain color instead. If so, you ...

It is a unique type of synesthesia, a phenomenon in which stimulation of one sense triggers an automatic, involuntary experience in another.

This conversation has been condensed and edited for clarity. I have synesthesia, which means I hear color. So, what I'm listening to when I paint is important. I listen to Indian classical music ...