Chimp beats students at computer game : Nature News
A particularly cunning seven-year-old chimp named Ayumu has bested university students at a game of memory. He and two other young chimps recalled the placement of numbers flashed onto a computer screen faster and more accurately than humans.
京大霊長類研究所。数字の並びを覚えることにかけてはと。いわゆるワーキングメモリの差というより、学生だと数字を数字としてとらえてしまうためかなあ。絵じゃなくって。