VIDEO: CARTA: Domestication and Human Evolution - Richard Wrangham: Did Homo Sapiens Self-Domesticate? - UCSD-TV - University of California Television
CARTA: Domestication and Human Evolution - Richard Wrangham: Did Homo Sapiens Self-Domesticate?
Date: 12/12/2014; 21 minutes


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In this talk Richard Wrangham (Harvard Univ) puts forth the theory that Homo sapiens are, in fact, a self-domesticated species. He defines "self-domestication" as the evolution of a reduced propensity for reactive aggression (compared to an immediate ancestor), without the active involvement of another species. He then shows that communal sanctions practiced by hunter-gatherers, which depend on proactive aggression, provide a leading candidate mechanism selecting against high levels of reactive aggression. He therefore proposes that human self-domestication is an ironic consequence of a particularly well-developed facility for proactive aggression, and concludes that humans did indeed self-domesticate, providing a critical underpinning for inter-individual tolerance and cooperation.
Recorded on 10/10/2014.
(#28902)

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