Journal
NEUROIMAGE
Volume 36, Issue -, Pages T16-T21Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.neuroimage.2007.03.041
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Funding
- MRC [G0501316] Funding Source: UKRI
- Medical Research Council [G0501316] Funding Source: Medline
- Wellcome Trust [078204] Funding Source: Medline
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Variation in brain structure may reflect variation in functional properties of specific brain systems. Structural variation may therefore reflect variation in behavioural performance. Here, we use diffusion-weighted magnetic resonance imaging to show that variation in white matter integrity in a specific region in the body of the corpus callosum is associated with variation in performance of a bimanual coordination task. When the callosal region showing this association is used as a seed for probabilistic tractography, inter-hemispheric pathways are generated to the supplementary motor area and caudal cingulate motor area. This provides further evidence for the role of medial wall motor areas in bimanual co-ordination and supports the idea that variation in brain structure reflects inter-individual differences in skilled performance. (C) 2007 Elsevier Inc. All rights reserved.
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