I realized it when I was in my second year of junior high school.Teacher, what is synesthesia?It was during club activities.

I previously formed a hypothesis about synesthesia. Seeing colors in numbers, perceiving personalities in letters—these are ...

People with a form of synesthesia in which they see colors when viewing letters and numbers really do see colors, researchers, led by Edward M. Hubbard of the University of California San Diego, have ...