Complex modular structure of large-scale brain networks.

Abstract : Modular structure is ubiquitous among real-world networks from related proteins to social groups. Here we analyze the modular organization of brain networks at a large scale (voxel level) extracted from functional magnetic resonance imaging signals. By using a random-walk-based method, we unveil the modularity of brain webs and show modules with a spatial distribution that matches anatomical structures with functional significance. The functional role of each node in the network is studied by analyzing its patterns of inter- and intramodular connections. Results suggest that the modular architecture constitutes the structural basis for the coexistence of functional integration of distant and specialized brain areas during normal brain activities at rest.
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Article dans une revue
Chaos, American Institute of Physics, 2009, 19 (2), pp.023119. 〈10.1063/1.3129783〉
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https://hal.inria.fr/hal-00805416
Contributeur : Olivier Colliot <>
Soumis le : mercredi 27 mars 2013 - 18:57:16
Dernière modification le : mercredi 21 mars 2018 - 18:57:48

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M. Valencia, M. A. Pastor, M. A. Fernández-Seara, J. Artieda, J. Martinerie, et al.. Complex modular structure of large-scale brain networks.. Chaos, American Institute of Physics, 2009, 19 (2), pp.023119. 〈10.1063/1.3129783〉. 〈hal-00805416〉

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