Ingroup-outgroup bias in contagious yawning by chimpanzees supports link to empathy.

Humans favor others seen as similar to themselves (ingroup) over people seen as different (outgroup), even without explicitly stated bias. Ingroup-outgroup bias extends to involuntary responses, such as empathy for pain. However, empathy biases have not been tested in our close primate relatives. Co...

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Bibliographic Details
Main Authors: Matthew W Campbell, Frans B M de Waal
Format: article
Language:EN
Published: Public Library of Science (PLoS) 2011
Subjects:
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Online Access:https://doaj.org/article/192cb6cfcef34cc0b1d8db527391c2a7
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