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  Differences in cerebral cortical anatomy of left- and right-handers

Guadalupe, T., Willems, R. M., Zwiers, M., Arias Vasquez, A., Hoogman, M., Hagoort, P., et al. (2014). Differences in cerebral cortical anatomy of left- and right-handers. Frontiers in Psychology, 5: 261. doi:10.3389/fpsyg.2014.00261.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0017-C0EF-7 Version Permalink: https://hdl.handle.net/21.11116/0000-0003-3984-8
Genre: Journal Article

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© 2014 Guadalupe, Willems, Zwiers, Arias Vasquez, Hoogman, Hagoort, Fernandez, Buitelaar, Franke, Fisher and Francks. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
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 Creators:
Guadalupe, Tulio1, 2, Author           
Willems, Roel M.3, 4, Author           
Zwiers, Marcel4, Author
Arias Vasquez, Alejandro4, 5, Author
Hoogman, Martine1, 5, Author           
Hagoort, Peter3, 4, Author           
Fernández, Guillén4, Author
Buitelaar, Jan4, Author
Franke, Barbara4, 5, Author
Fisher, Simon E.1, 5, Author           
Francks, Clyde1, 5, 6, Author           
Affiliations:
1Language and Genetics Department, MPI for Psycholinguistics, Max Planck Society, ou_792549              
2International Max Planck Research School for Language Sciences, MPI for Psycholinguistics, Max Planck Society, Nijmegen, NL, ou_1119545              
3Neurobiology of Language Department, MPI for Psycholinguistics, Max Planck Society, ou_792551              
4Donders Institute for Brain, Cognition and Behaviour, External Organizations, ou_55236              
5Radboud University medical center, Nijmegen, The Netherlands, ou_persistent22              
6Imaging Genomics, MPI for Psycholinguistics, Max Planck Society, Wundtlaan 1, 6525 XD Nijmegen, NL, ou_2579692              

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 Abstract: The left and right sides of the human brain are specialized for different kinds of information processing, and much of our cognition is lateralized to an extent towards one side or the other. Handedness is a reflection of nervous system lateralization. Roughly ten percent of people are mixed- or left-handed, and they show an elevated rate of reductions or reversals of some cerebral functional asymmetries compared to right-handers. Brain anatomical correlates of left-handedness have also been suggested. However, the relationships of left-handedness to brain structure and function remain far from clear. We carried out a comprehensive analysis of cortical surface area differences between 106 left-handed subjects and 1960 right-handed subjects, measured using an automated method of regional parcellation (FreeSurfer, Destrieux atlas). This is the largest study sample that has so far been used in relation to this issue. No individual cortical region showed an association with left-handedness that survived statistical correction for multiple testing, although there was a nominally significant association with the surface area of a previously implicated region: the left precentral sulcus. Identifying brain structural correlates of handedness may prove useful for genetic studies of cerebral asymmetries, as well as providing new avenues for the study of relations between handedness, cerebral lateralization and cognition.

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Language(s): eng - English
 Dates: 20142014
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.3389/fpsyg.2014.00261
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Title: Frontiers in Psychology
  Abbreviation : Front. Psychol.
Source Genre: Journal
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Publ. Info: Frontiers Media
Pages: - Volume / Issue: 5 Sequence Number: 261 Start / End Page: - Identifier: ISSN: 1664-1078