SanteMusiqueV1, Main, Exploration, bibRecord, 001B37

Corpus callosum: musician and gender effects.

Identifieur interne : 001B37 ( Main/Exploration ); précédent : 001B36; suivant : 001B38

Corpus callosum: musician and gender effects.

Auteurs : Dennis J. Lee [États-Unis] ; Yi Chen ; Gottfried Schlaug

Source :

Neuroreport [ 0959-4965 ] ; 2003.

RBID : pubmed:12598730

Descripteurs français

KwdFr :
- Adolescent (MeSH), Adulte (MeSH), Analyse de variance (MeSH), Caractères sexuels (MeSH), Corps calleux (anatomie et histologie), Corps calleux (physiologie), Femelle (MeSH), Humains (MeSH), Musique (MeSH), Mâle (MeSH), Études rétrospectives (MeSH).
MESH :
- anatomie et histologie : Corps calleux.
- physiologie : Corps calleux.
- Adolescent, Adulte, Analyse de variance, Caractères sexuels, Femelle, Humains, Musique, Mâle, Études rétrospectives.

English descriptors

KwdEn :
- Adolescent (MeSH), Adult (MeSH), Analysis of Variance (MeSH), Corpus Callosum (anatomy & histology), Corpus Callosum (physiology), Female (MeSH), Humans (MeSH), Male (MeSH), Music (MeSH), Retrospective Studies (MeSH), Sex Characteristics (MeSH).
MESH :
- anatomy & histology : Corpus Callosum.
- physiology : Corpus Callosum.
- Adolescent, Adult, Analysis of Variance, Female, Humans, Male, Music, Retrospective Studies, Sex Characteristics.

Abstract

Previously we found that musicians have significantly larger anterior corpus callosum (CC). In the current study, we intended to replicate and extend our previous results using a new and larger sample of gender-matched subjects (56 right-handed professional musicians and 56 age- and handedness-matched controls). We found a significant gender x musicianship interaction for anterior and posterior CC size; male musicians had a larger anterior CC than non-musicians, while females did not show a significant effect of musicianship. The lack of a significant effect in females may be due to a tendency for a more symmetric brain organization and a disproportionately high representation of absolute pitch (AP) musicians among females. Although a direct causal effect between musicianship and alterations in the midsagittal CC size cannot be established, it is likely that the early commencement and continuous practice of bimanual motor training serves as an external trigger that can influence midsagittal CC size through changes in the actual callosal fiber composition and in the degree of myelinization, which will have implications for interhemispheric connectivity.

DOI: 10.1097/00001756-200302100-00009
PubMed: 12598730

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Previously we found that musicians have significantly larger anterior corpus callosum (CC). In the current study, we intended to replicate and extend our previous results using a new and larger sample of gender-matched subjects (56 right-handed professional musicians and 56 age- and handedness-matched controls). We found a significant gender x musicianship interaction for anterior and posterior CC size; male musicians had a larger anterior CC than non-musicians, while females did not show a significant effect of musicianship. The lack of a significant effect in females may be due to a tendency for a more symmetric brain organization and a disproportionately high representation of absolute pitch (AP) musicians among females. Although a direct causal effect between musicianship and alterations in the midsagittal CC size cannot be established, it is likely that the early commencement and continuous practice of bimanual motor training serves as an external trigger that can influence midsagittal CC size through changes in the actual callosal fiber composition and in the degree of myelinization, which will have implications for interhemispheric connectivity.</div>
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Corpus callosum: musician and gender effects.

Corpus callosum: musician and gender effects.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki