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Dual asymmetries in handedness

Published online by Cambridge University Press:  02 October 2003

Gregory V. Jones  and
Maryanne Martin
Gregory V. Jones*
Affiliation:
Department of Psychology, University of Warwick, CoventryCV4 7AL, United Kingdomhttp://www.warwick.ac.uk/fac/sci/Psychology/staff/academic.html#GJ
Maryanne Martin*
Affiliation:
Department of Experimental Psychology, University of Oxford, OxfordOX1 3UD, United Kingdomhttp://epwww.psych.ox.ac.uk/general/info/memstaff.htm
*
G.V.Jones@warwick.ac.uk
mary.martin@psy.ox.ac.uk
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Abstract:

The possibility that two forms of asymmetry underlie handedness is considered. Corballis has proposed that right-handedness developed when gesture encountered lateralized vocalization but may have been superimposed on a preexisting two-thirds dominance. Evidence is reviewed here which suggests that the baseline asymmetry is even more substantial than this, with possible implications for brain anatomy and genetic theories of handedness.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 26 , Issue 2 , April 2003 , pp. 227 - 228
Copyright
Copyright © Cambridge University Press 2003

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