They are a ubiquitous childhood toy: alphabet fridge magnets. You may remember some from your own childhood, though they probably weren’t your most beloved of games. But for some people, especially ...

Most people with synesthesia can't tell you exactly why they perceive the letter M as purple and not orange, or a high C-sharp as bright yellow and not blue. For one group of synesthetes, though, ...

Synesthesia is intriguing. The ability to smell colors, see music and taste words would be a neat superpower. I imagine the satirical genius streaming through my brain tastes like a burrito. A fat, ...

Vladimir Nabokov first noticed, at age 7, his special gift of synesthesia when playing with colorful alphabet blocks that "were all the wrong color." Source: Contributor: Neil Overy/Alamy Stock Photo.

While Nathan Witthoft was earning his PhD at Massachusetts Institute of Technology, he met a woman with color-grapheme synesthesia, a neurological condition where people see letters and numbers in ...