Ai, the renowned 'genius' chimpanzee from Kyoto University studies, has died at age 49. Known for recognizing over 100 Chinese characters, the English alphabet, numbers, and colors, she advanced primate intelligence research. The cause was multiple organ failure and age-related ailments.
Ai, whose name means 'love' in Japanese, was a chimpanzee from West Africa. She arrived at Kyoto University in 1977 and participated in studies on perception, learning, and memory. These efforts advanced understanding of primate intelligence and provided a crucial foundation for exploring the evolution of the human mind, according to the Center for the Evolutionary Origins of Human Behavior at Kyoto University.
The center noted that Ai was highly curious and actively engaged in the studies, revealing various aspects of the chimpanzee mind for the first time. In 2014, primatologist Tetsuro Matsuzawa described how Ai, presented with the Chinese character for 'pink' on a computer screen alongside pink and purple squares, correctly selected the pink one. When shown an apple, she chose a rectangle, circle, and dot on the screen to draw a 'virtual apple'.
Beyond Chinese characters and the English alphabet, Ai could identify Arabic numerals from zero to nine and 11 colors. Her remarkable abilities made her the subject of numerous scholarly papers, including in Nature, and media programs, earning her the nickname 'genius' in popular media. In 2000, she gave birth to a son, Ayumu, whose skills drew attention to parent-child knowledge transfer studies, as reported by Kyodo News.
Ai died on Friday from multiple organ failure and age-related ailments. Researchers praise her contributions, with Kyoto University stating that her work established an experimental framework for understanding the chimpanzee mind.
