Laterality in the gestural communication of wild chimpanzees.

  title={Laterality in the gestural communication of wild chimpanzees.},
  author={Catherine Hobaiter and Richard W. Byrne},
  journal={Annals of the New York Academy of Sciences},
We examined hand preference in the intentional gestural communication of wild chimpanzees in the Budongo forest, Uganda. Individuals showed some tendency to be lateralized, although less than has been reported for begging and pointing gestures in captivity; on average, their absolute bias was around 0.25 (where 1.0 represents complete right- or left-hand use and 0.0 represents no bias). Lateralization was incomplete even in individuals with major manual disabilities. Where individuals had a… CONTINUE READING

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