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All sex differences in cognitive ability may be explained by an X-Y homologous gene determining degrees of cerebral asymmetry

Published online by Cambridge University Press:  04 February 2010

T. J. Crow
T. J. Crow
Affiliation:
University Department of Psychiatry, Wameford Hospital, Oxford OX3 7JX, United Kingdom, tlm.crow@psychiat.oxon.ac.uk
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Abstract

Male superiority in mathematical ability (along with female superiority in verbal fluency) may reflect the operation of an X-Y homologous gene (the right-shift-factor) influencing the relative rates of development of the cerebral hemispheres. Alleles at the locus on the Y chromosome will be selected at a later mean age than alleles on the X, and only by females.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 19 , Issue 2 , June 1996 , pp. 249 - 250
Copyright
Copyright © Cambridge University Press 1996

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