Brain evolution: When is a group not a group?

Richard W. Byrne, Lucy A. Bates

Research output: Contribution to journalEditorialpeer-review

8 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)R883-R884
Number of pages2
JournalCurrent Biology
Issue number20
Publication statusPublished - 23 Oct 2007


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