Recognition of line-drawing representations by a chimpanzee (Pan troglodytes).

  title={Recognition of line-drawing representations by a chimpanzee (Pan troglodytes).},
  author={Shoji Itakura},
  journal={The Journal of general psychology},
  volume={121 3},
The ability of a chimpanzee to recognize individuals portrayed in line drawings was evaluated. A 12-year-old female chimpanzee with extensive prior experience in the use of visual symbols matched the line drawings of chimpanzees, humans, and an orangutan with a specific letter of the alphabet. When a line drawing of a familiar individual was presented on the computer screen, the chimpanzee responded by punching a key with the letter of the alphabet that corresponded to the individual's name… CONTINUE READING
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