Q: Is there really a condition where someone can hear a sound and it makes them see a color? A: Yes, and that condition is called synesthesia. It will be the topic of today’s column. We have five ...

Hollywood actress Cynthia Erivo recently revealed she experiences synesthesia, a sensory phenomenon where she sees colours when hearing music. Affecting about one to four per cent of people, ...

I have a form of time–space synesthesia, so the new year arrives for me in a very physical way. I feel myself move around the year, almost like I'm traveling along a structure. December sits low and ...