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the cerebral torque and directional asymmetry for hand use are correlates of the capacity for language in homo sapiens

Published online by Cambridge University Press:  26 September 2005

timothy j. crow
timothy j. crow
Affiliation:
sane prince of wales international centre, warneford hospital, oxford ox3 7jx, united [email protected] http://www.psychiatry.ox.ac.uk
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Abstract

the claim of consistent hemispheric specialisations across classes of chordates is undermined by the absence of population-based directional asymmetry of paw/hand use in rodents and primates. no homologue of the cerebral torque from right frontal to left occipital has been established in a nonhuman species. the null hypothesis that the torque is the sapiens-specific neural basis of language has not been disproved.

Type
open peer commentary
Information
Behavioral and Brain Sciences , Volume 28 , Issue 4 , August 2005 , pp. 595 - 596
Copyright
2005 cambridge university press

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