Multi-scale integration and predictability in resting state brain activity.
Details
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State: Public
Version: Final published version
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State: Public
Version: Final published version
License: Not specified
Serval ID
serval:BIB_72802B296F0E
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Multi-scale integration and predictability in resting state brain activity.
Journal
Frontiers in Neuroinformatics
ISSN
1662-5196 (Electronic)
ISSN-L
1662-5196
Publication state
Published
Issued date
2014
Peer-reviewed
Oui
Volume
8
Pages
66
Language
english
Notes
Publication types: Journal Article Publication Status: epublish
Abstract
The human brain displays heterogeneous organization in both structure and function. Here we develop a method to characterize brain regions and networks in terms of information-theoretic measures. We look at how these measures scale when larger spatial regions as well as larger connectome sub-networks are considered. This framework is applied to human brain fMRI recordings of resting-state activity and DSI-inferred structural connectivity. We find that strong functional coupling across large spatial distances distinguishes functional hubs from unimodal low-level areas, and that this long-range functional coupling correlates with structural long-range efficiency on the connectome. We also find a set of connectome regions that are both internally integrated and coupled to the rest of the brain, and which resemble previously reported resting-state networks. Finally, we argue that information-theoretic measures are useful for characterizing the functional organization of the brain at multiple scales.
Pubmed
Web of science
Open Access
Yes
Create date
15/10/2014 13:35
Last modification date
10/01/2024 7:16