Do chimpanzees tailor their gestural signals to fit the attentional states of others?

@article{Theall1999DoCT,
  title={Do chimpanzees tailor their gestural signals to fit the attentional states of others?},
  author={Laura A. Theall and Daniel J. Povinelli},
  journal={Animal Cognition},
  year={1999},
  volume={2},
  pages={207-214}
}
The use of vocalizations and tactile gestures by seven juvenile chimpanzees was experimentally investigated. The subjects interacted with an experimenter who typically handed them food rewards. In some trials, however, the experimenter waited 20 s before doing so. In these trials the experimenter’s eyes were either open or closed, or the experimenter was either looking away from the subject or looking directly at him/her inquisitively with head movements. Although the chimpanzees produced at… CONTINUE READING

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