Artigo Revisado por pares

Neocortex size and behavioural ecology in primates

1996; Royal Society; Volume: 263; Issue: 1367 Linguagem: Inglês

10.1098/rspb.1996.0028

ISSN

1471-2954

Autores

Robert A. Barton,

Tópico(s)

Animal Vocal Communication and Behavior

Resumo

Restricted accessMoreSectionsView PDF ToolsAdd to favoritesDownload CitationsTrack Citations ShareShare onFacebookTwitterLinked InRedditEmail Cite this article Barton Robert A. 1996Neocortex size and behavioural ecology in primatesProc. R. Soc. Lond. B.263173–177http://doi.org/10.1098/rspb.1996.0028SectionRestricted accessArticleNeocortex size and behavioural ecology in primates Robert A. Barton Google Scholar Find this author on PubMed Search for more papers by this author Robert A. Barton Google Scholar Find this author on PubMed Published:22 February 1996https://doi.org/10.1098/rspb.1996.0028AbstractThe neocortex is widely held to have been the focus of mammalian brain evolution, but what selection pressures explain the observed diversity in its size and structure? Among primates, comparative studies suggest that neocortical evolution is related to the cognitive demands of sociality, and here I confirm that neocortex size and social group size are positively correlated once phylogenetic associations and overall brain size are taken into account. This association holds within haplorhine but not strepsirhine primates. In addition, the neocortex is larger in diurnal than in nocturnal primates, and among diurnal haplorhines its size is positively correlated with the degree of frugivory. These ecological correlates reflect the diverse sensory-cognitive functions of the neocortex.FootnotesThis text was harvested from a scanned image of the original document using optical character recognition (OCR) software. As such, it may contain errors. Please contact the Royal Society if you find an error you would like to see corrected. Mathematical notations produced through Infty OCR. 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