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Review
. 2007 Oct 23;17(20):R883-4.
doi: 10.1016/j.cub.2007.08.018.

Brain evolution: when is a group not a group?

Richard W Byrne  1 , Lucy A Bates
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Free article
Review

Brain evolution: when is a group not a group?

Richard W Byrne et al. Curr Biol. .
Free article

Abstract

In testing the 'social brain hypothesis' with comparative data, most research has used group size as an index of cognitive challenge. Recent work suggests that this measure is too crude to apply to a wide range of species, and biologists may need to develop other ways of extending these analyses.

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