Psychologist suggests synthesthesia may underlie apparent memory feats
In what seems like a blow for humanity, a very smart chimpanzee in Japan crushes any human challenger at a number memory game.
After the numbers 1 through 9 make a split-second appearance on a computer screen, the chimp, Ayumu, gets to work. His bulky index finger flies gracefully across the screen, tapping white squares where the numbers had appeared, in order. So far, no human has topped him.
Ayumu’s talent caused a stir when researchers first reported it in 2007 (SN: 1