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Ai, Chimpanzee Central to Kyoto’s Cognition Studies, Dies at 49

Her decades of experiments at Kyoto University reshaped research into primate memory and symbol recognition.

Overview

  • Kyoto University’s Center for the Origins of Human Behavior said she died on January 9 of age-related multi-organ failure at its facility in Kyoto.
  • Born in West Africa in 1976 and brought to Japan the following year, Ai joined the long-term Project Ai and began computer-based testing at 18 months.
  • By age five she recognized numbers, identified 11 colors, and associated hundreds of objects with visual labels, later demonstrating knowledge of kanji and the English alphabet.
  • Her character-recognition work was highlighted by Nature in 1985, and she also produced spontaneous drawings and once escaped a cage in 1989 by opening a lock with a key.
  • She gave birth in 2000 to Ayumu, who became a subject of influential memory studies, and her name in Japanese means love.