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rethinking brain asymmetries in humans

Published online by Cambridge University Press:  26 September 2005

bianca dräger ,
caterina breitenstein  and
stefan knecht
bianca dräger
Affiliation:
department of neurology, university of münster, 48149 münster, germany dragerb@uni-muenster.de caterina.breitenstein@uni-muenster.de knecht@uni-muenster.de http://neurologie.uni-muenster.de/ger/mitarbeiter/breitenstein/ http://neurolog.uni-muenster.de/cms/front_content.php?idcat=34
caterina breitenstein
Affiliation:
department of neurology, university of münster, 48149 münster, germany dragerb@uni-muenster.de caterina.breitenstein@uni-muenster.de knecht@uni-muenster.de http://neurologie.uni-muenster.de/ger/mitarbeiter/breitenstein/ http://neurolog.uni-muenster.de/cms/front_content.php?idcat=34
stefan knecht
Affiliation:
department of neurology, university of münster, 48149 münster, germany dragerb@uni-muenster.de caterina.breitenstein@uni-muenster.de knecht@uni-muenster.de http://neurologie.uni-muenster.de/ger/mitarbeiter/breitenstein/ http://neurolog.uni-muenster.de/cms/front_content.php?idcat=34
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Abstract

similar to directional asymmetries in animals, language lateralization in humans follows a bimodal distribution. a majority of individuals are lateralized to the left and a minority of individuals are lateralized to the right side of the brain. however, a biological advantage for either lateralization is lacking. the scenario outlined by vallortigara & rogers (v&r) suggests that language lateralization in humans is not specific to language or human speciation but simply follows an evolutionarily conserved organizational principle of the brain.

Information

Type
open peer commentary
Information
Behavioral and Brain Sciences , Volume 28 , Issue 4 , August 2005 , pp. 598 - 599
Copyright
2005 cambridge university press

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