Ayumu (born 2000) is a chimpanzee currently living at the Primate Research Institute of Kyoto University. He is the son of chimpanzee Ai, and has been a participant since infancy in the Ai Project, an ongoing research effort aimed at understanding chimpanzee cognition. As part of the Ai Project, Ayumu participated in a series of short-term memory tasks, such as to remember the sequential order of numbers displaying on a touch-sensitive computer screen. His performance in the tasks was superior to that of comparably trained university students, leading to a conclusion that young chimpanzees have better eidetic memory than adult humans.
- Matsuzawa, T. (2003). "The Ai project: Historical and ecological contexts". Animal Cognition 6 (4): 199–211. doi:10.1007/s10071-003-0199-2. PMID 14566577.
- "Chimp solves memory test 'faster than blink of an eye'". BBC. 2012.
- 5-year-old chimp beats college kids in computer game - CNN.com