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Nat Neurosci. 2008 Apr;11(4):426-8. doi: 10.1038/nn2072. Epub 2008 Mar 23.

The evolution of the arcuate fasciculus revealed with comparative DTI.

Author information

1
Department of Anthropology, Emory University, 207 Anthropology Building, 1557 Dickey Drive, Atlanta, Georgia 30322, USA. jrillin@emory.edu

Abstract

The arcuate fasciculus is a white-matter fiber tract that is involved in human language. Here we compared cortical connectivity in humans, chimpanzees and macaques (Macaca mulatta) and found a prominent temporal lobe projection of the human arcuate fasciculus that is much smaller or absent in nonhuman primates. This human specialization may be relevant to the evolution of language.

PMID:
18344993
DOI:
10.1038/nn2072
[Indexed for MEDLINE]

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