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Contagious yawning in chimpanzees.

Six adult female chimpanzees were shown video scenes of chimpanzees repeatedly yawning or of chimpanzees showing open-mouth facial expressions that were not yawns. Two out of the six females showed significantly higher frequencies of yawning in response to yawn videos; no chimpanzees showed the inve...

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Bibliografische gegevens
Hoofdauteurs: Anderson, James R, Myowa-Yamakoshi, Masako, Matsuzawa, Tetsuro
Formaat: Artigo
Taal:Inglês
Gepubliceerd in: 2004
Onderwerpen:
Online toegang:https://ncbi.nlm.nih.gov/pmc/articles/PMC1810104/
https://ncbi.nlm.nih.gov/pubmed/15801606
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