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 those growing up in the late 70s or 80s, one particular set left a deep impression — it forever changed the colors they associate with letters. That’s the conclusion of a new study on synesthesia, a condition where sensory stimuli overlap.
The study finds that more than 6 percent of American