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The role of rhythmic neural synchronization in rest and task conditions
Deco, Gustavo; Buehlmann, Andrés; Masquelier, Timothée; Hugues, Etienne
Rhythmic neural synchronization is found throughout the brain during many different tasks and even at rest. Beyond their underlying mechanisms, the question of their role is still controversial. Modeling can bring insight on this difficult question. We review here our recent modeling results concerning this issue in different situations. During rest, we show how local rhythmic synchrony can induce a spatiotemporally organized spontaneous activity at the brain level. Then, we show how rhythmic synchrony decreases reaction time in attention and enhances the strength and speed of information transfer between different groups of neurons. Finally, we show that when rhythmic synchrony creates firing phases, the learning with spike timing-dependent plasticity of repeatedly presented input patterns is greatly enhanced.
The authors were supported by the FP7 European Project Brainsync, the Fyssen Foundation, the Spanish Research Project BFU2007-61710, and CONSOLIDER INGENIO 2010 (Bilingualism and Cognitive Neuroscience).
-Oscillations
-Resting state
-Attention
-Communication
-Learning
© 2011 Deco, Buehlmann, Masquelier and Hugues. This is an open-access article subject to an exclusive license agreement between the authors and Frontiers Media SA, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.
http://creativecommons.org/licenses/by/3.0/
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