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Author (up) Lefebvre, L.; Reader, S.M.; Sol, D.
Title Brains, Innovations and Evolution in Birds and Primates Type Journal Article
Year 2004 Publication Brain, Behavior and Evolution Abbreviated Journal Brain. Behav. Evol.
Volume 63 Issue 4 Pages 233-246
Keywords Innovation W Brain evolution W Hyperstriatum ventrale W Neostriatum W Isocortex W Birds W Primates W Tool use W Invasion biology
Abstract Abstract

Several comparative research programs have focusedon the cognitive, life history and ecological traits thataccount for variation in brain size. We review one ofthese programs, a program that uses the reported frequencyof behavioral innovation as an operational measureof cognition. In both birds and primates, innovationrate is positively correlated with the relative size of associationareas in the brain, the hyperstriatum ventrale andneostriatum in birds and the isocortex and striatum inprimates. Innovation rate is also positively correlatedwith the taxonomic distribution of tool use, as well asinterspecific differences in learning. Some features ofcognition have thus evolved in a remarkably similar wayin primates and at least six phyletically-independent avianlineages. In birds, innovation rate is associated withthe ability of species to deal with seasonal changes in theenvironment and to establish themselves in new regions,and it also appears to be related to the rate atwhich lineages diversify. Innovation rate provides a usefultool to quantify inter-taxon differences in cognitionand to test classic hypotheses regarding the evolution ofthe brain.
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Language Summary Language Original Title
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ISSN 0006-8977 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 4738
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