Contagious yawning in gelada baboons as a possible expression of empathy.

Abstract

Yawn contagion in humans has been proposed to be related to our capacity for empathy. It is presently unclear whether this capacity is uniquely human or shared with other primates, especially monkeys. Here, we show that in gelada baboons (Theropithecus gelada) yawning is contagious between individuals, especially those that are socially close, i.e., the… (More)
DOI: 10.1073/pnas.0910891106

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