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SUMMARY:Richard Wrangham - Hunter-Gatherers\, Homo duplex and the Evolution of Human Groupishness
DESCRIPTION:Groupishness is a tendency to commit prosocial acts for which the pathway to\ncompensatory fitness benefits is unpredictable. It is unique to humans\, and its evolution is\nnot well understood. A difficulty is that the adaptive value of groupishness comes from\nindirect reciprocity\, which is hard to explain in societies that contain power asymmetries\nsuch that a dominant can appropriate resources at will. To date the only solution is Boehm’s\nproposal\, namely that morality was favored because allied males were selected to use\ncoercive behavior first to eliminate tyrants\, then subsequently to favor prosociality and\npunish antisociality. Using information on self-domestication\, a topic that Boehm did not\nexplore\, I present several tests of Boehm’s thesis. All are supportive\, while also modifying\nBoehm’s ideas. I conclude that a major increase in evolved groupishness began with the\norigin of Homo sapiens and the ability to execute tyrants. This process generated Homo\nduplex\, including the uniquely human tension between selfishness and duty seen in hunter-\ngatherers and other societies.
URL:https://bec.ucla.edu/event/richard-wrangham/
CATEGORIES:2022,Upcoming Presentation
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