Playful behavior is widespread in mammals, and has important developmental consequences. A recent study of young chimpanzees shows that these animals play and develop much the same way as human children. The work, to be published in the Nov. 16 issue of the online journal PLoS ONE, can therefore also shed light on the role of human play behavior.
The authors of the study, Elisabetta Palagi and Giada Cordoni, of the University of Pisa in Italy, found that chimpanzee solitary play peaks in infancy, while the time spent in social play was relatively constant between infants and juveniles. However, the type of social play
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