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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
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- Kompus, Kristiina (author)
- Umeå universitet,Diagnostisk radiologi,Fysiologi,Umeå centrum för funktionell hjärnavbildning (UFBI),University of Bergen
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- Kalpouzos, Gregoria (author)
- Umeå universitet,Stockholms universitet,Centrum för forskning om äldre och åldrande (ARC), (tills m KI),Fysiologi,Stockholm University
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- Westerhausen, Rene (author)
- University of Bergen
- (creator_code:org_t)
- Amsterdam : Elsevier BV, 2011
- 2011
- English.
- In: Brain Research. - Amsterdam : Elsevier BV. - 0006-8993 .- 1872-6240. ; 1419, s. 61-67
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Keyword
- Corpus callosum
- Functional lateralization
- Episodic memory
- HERA model
Publication and Content Type
- ref (subject category)
- art (subject category)
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