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The size of the anterior corpus callosum correlates with the strength of hemispheric encoding-retrieval asymmetry in the ventrolateral prefrontal cortex
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI).
2011 (English)In: Brain Research, ISSN 0006-8993, E-ISSN 1872-6240, Vol. 1419, 61-67 p.Article in journal (Refereed) Published
Abstract [en]

Functional lateralization of episodic memory processes in the frontal lobe is an area of intense study in the field of cognitive neuroimaging. Yet, to date there is insufficient knowledge of what role the interhemispheric structural connectivity plays in this lateralized organization. We analyzed functional and structural magnetic resonance imaging data from healthy adult volunteers who performed an associative encoding and retrieval task. We examined the relationship between functional voxel-based relative asymmetry of encoding and retrieval in the frontal lobes and the size of the anterior corpus callosum (antCC; corrected for brain size). The size of the antCC was strongly associated to the relative encoding-retrieval asymmetry in the ventrolateral prefrontal cortex (BA 47). These findings show that the functional asymmetry of episodic memory processes in the frontal lobes is associated with the structural connectivity between the hemispheres.

Place, publisher, year, edition, pages
2011. Vol. 1419, 61-67 p.
Keyword [en]
Corpus callosum, Functional lateralization, Episodic memory, HERA model
National Category
Neurosciences
Identifiers
URN: urn:nbn:se:su:diva-70877DOI: 10.1016/j.brainres.2011.08.052ISI: 000296930200007OAI: oai:DiVA.org:su-70877DiVA: diva2:483460
Note

authorCount :3

Available from: 2012-01-25 Created: 2012-01-24 Last updated: 2017-12-08Bibliographically approved

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