In the first long-term study on grapheme-color synesthesia, researchers followed 80 children, including 8 synesthetes, to determine when and how associations between graphemes and colors develop. What ...

Tweezer in hand, Mandolin Brassaw concentrates like a surgeon in the operating theater as she places metal letters in minuscule 6-point type into a curved tray. She spells out the words of a Yayoi ...

Synesthesia is a condition in which sensory input from one cognitive stream gives rise to experience in another unstimulated cognitive stream. The most common forms of synesthesia include ...

This study used pupillometry to provide an objective assessment of a form of synesthesia in which people see additional color when reading numbers. It provides convincing evidence that subjective ...

What colour is H? Is 4 brighter than 9? For most people these questions might seem baffling, but not for people with grapheme-color synesthesia. In the first long-term childhood study on ...