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Efficiency of callosal transfer and hemispheric interaction

Cherbuin, Nicolas; Brinkman, Cobie

Description

The corpus callosum (CC) is essential to hemispheric interaction, but it is unclear how individual callosal properties affect interaction between the cerebral hemispheres. A number of studies have demonstrated some relationship between morphology or structure of the CC and measures of hemispheric interaction. However, to the authors' knowledge, none of these studies has been able to show a clear, direct relationship between a behavioral measure of transfer speed through the CC, interhemispheric...[Show more]

dc.contributor.authorCherbuin, Nicolas
dc.contributor.authorBrinkman, Cobie
dc.date.accessioned2015-12-07T22:23:30Z
dc.identifier.issn0894-4105
dc.identifier.urihttp://hdl.handle.net/1885/20729
dc.description.abstractThe corpus callosum (CC) is essential to hemispheric interaction, but it is unclear how individual callosal properties affect interaction between the cerebral hemispheres. A number of studies have demonstrated some relationship between morphology or structure of the CC and measures of hemispheric interaction. However, to the authors' knowledge, none of these studies has been able to show a clear, direct relationship between a behavioral measure of transfer speed through the CC, interhemispheric transfer time (IHTT), and a behavioral measure of hemispheric interaction. Eighty participants were tested over 6 sessions on 2 tasks assessing IHTT and hemispheric interaction. The Poffenberger paradigm was used to measure IHTT, and a divided split-visual-field letter-matching task was used to assess hemispheric interaction. A significant correlation that could not be accounted for by other factors such as functional lateralization, handedness, age, sex, or attention was found between these 2 measures. These results are discussed in relation to CC morphology and structure and functional and structural hemispheric lateralization.
dc.publisherAmerican Psychological Association
dc.sourceNeuropsychology
dc.subjectKeywords: adult; age distribution; article; attention; cell ultrastructure; controlled study; corpus callosum; correlation analysis; female; hemisphere; hemispheric dominance; human; human experiment; interhemispheric transfer; left handedness; male; normal human; Bilateral distribution advantage; Corpus callosum; Hemispheric interaction; Interhemispheric transfer time (IHTT)
dc.titleEfficiency of callosal transfer and hemispheric interaction
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume20
dc.date.issued2006
local.identifier.absfor170101 - Biological Psychology (Neuropsychology, Psychopharmacology, Physiological Psychology)
local.identifier.ariespublicationu9312950xPUB13
local.type.statusPublished Version
local.contributor.affiliationCherbuin, Nicolas, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationBrinkman, Cobie, College of Medicine, Biology and Environment, ANU
local.bibliographicCitation.issue2
local.bibliographicCitation.startpage178
local.bibliographicCitation.lastpage184
local.identifier.doi10.1037/0894-4105.20.2.178
dc.date.updated2015-12-07T09:18:05Z
local.identifier.scopusID2-s2.0-33645995407
CollectionsANU Research Publications

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