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Subject specificity of the correlation between large-scale structural and functional connectivity.


ABSTRACT: Structural connectivity (SC), the physical pathways connecting regions in the brain, and functional connectivity (FC), the temporal coactivations, are known to be tightly linked. However, the nature of this relationship is still not understood. In the present study, we examined this relation more closely in six separate human neuroimaging datasets with different acquisition and preprocessing methods. We show that using simple linear associations, the relation between an individual's SC and FC is not subject specific for five of the datasets. Subject specificity of SC-FC fit is achieved only for one of the six datasets, the multimodal Glasser Human Connectome Project (HCP) parcellated dataset. We show that subject specificity of SC-FC correspondence is limited across datasets due to relatively small variability between subjects in SC compared with the larger variability in FC.

SUBMITTER: Zimmermann J 

PROVIDER: S-EPMC6326745 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Subject specificity of the correlation between large-scale structural and functional connectivity.

Zimmermann J J   Griffiths J J   Schirner M M   Ritter P P   McIntosh A R AR  

Network neuroscience (Cambridge, Mass.) 20181001 1


Structural connectivity (SC), the physical pathways connecting regions in the brain, and functional connectivity (FC), the temporal coactivations, are known to be tightly linked. However, the nature of this relationship is still not understood. In the present study, we examined this relation more closely in six separate human neuroimaging datasets with different acquisition and preprocessing methods. We show that using simple linear associations, the relation between an individual's SC and FC is  ...[more]

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