James K Rilling, Matthew F Glasser, Todd M Preuss, Xiangyang Ma, Tiejun Zhao, Xiaoping Hu, and Timothy E J Behrens
Nature Neuroscience 11:426-428 (2008)
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.
Thursday, June 5, 2008
The evolution of the arcuate fasciculus revealed with comparative DTI
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