The hypothesis that play behavior is more prevalent in larger-brained animals has recently been challenged. It may be, for example, that only certain brain structures are related to play. Here, we analyze social play behavior with regards to the cerebellum: a structure strongly implicated in motor-development, and possibly also in cognitive skills. We present an evolutionary analysis of social play and the cerebellum, using a phylogenetic comparative method. Social play frequency and relative cerebellum size are positively correlated. Hence, there appears to be a link between the evolutionary elaboration of social play and the cerebellum.
CITATION STYLE
Lewis, K. P., & Barton, R. A. (2004). Playing for keeps: Evolutionary relationships between social play and the cerebellum in nonhuman primates. Human Nature, 15(1), 5–21. https://doi.org/10.1007/s12110-004-1001-0
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