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 ...

To help with reading and writing new words, you need to be able to recognise the graphemes and know which sounds they represent. Some sounds have more than one grapheme. Have a go at this tap and find ...

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 ...

Synesthesia is a condition in which certain stimuli (for example, hearing particular music) trigger an unusual additional sensory experience (for example, seeing metallic green). The associations are ...