Ayumu (chimpanzee)

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Ayumu (born 24 April 2000)[1] 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.[2] 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[3] displaying on a touch-sensitive computer screen.[4] His performance in the tasks was superior to that of comparably trained university students, leading to a conclusion that young chimpanzees have better working memory than adult humans.[5]


  1. ^ Ayumu fact sheet
  2. ^ 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.
  3. ^ Ayumu the chimp's memory game.
  4. ^ "Chimp solves memory test 'faster than blink of an eye'". BBC. 2012.
  5. ^ 5-year-old chimp beats college kids in computer game - CNN.com