Forget me not
Ever played Brain Age? Remember the one where you have to remember a sequence of numbers that is flashed briefly on the screen and you have to tap them in order after they disappear? How fast could you do it? This fast?
Researchers in Japan showed that humans and young chimps could both perform the task wit 80% accuracy when the images were displayed for 7 tenths of a second but performance dropped off dramatically for the humans as the exposure time was reduced. The chimp in the video still achieved 80% accuracy when the images were displayed for only 2 tenths of a second. [AP]