Use of numbers by a chimpanzee

@article{Matsuzawa1985UseON,
  title={Use of numbers by a chimpanzee},
  author={Tetsuro Matsuzawa},
  journal={Nature},
  year={1985},
  volume={315},
  pages={57-59}
}
Recent studies have examined linguistic abilities in apes1–6. However, although human mathematical abilities seem to be derived from the same foundation as those in language, we have little evidence for mathematical abilities in apes (but for exceptions see refs 7–10). In the present study, a 5-yr-old female chimpanzee (Pan troglodytes), ‘Ai’, was trained to use Arabic numerals to name the number of items in a display. Ai mastered numerical naming from one to six and was able to name the number… CONTINUE READING

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