Modulation of neuronal interactions through neuronal synchronization
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Number of pages
SourceScience, 316, 5831, (2007), pp. 1609-1612
Article / Letter to editor
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Donders Centre for Cognitive Neuroimaging
F.C. Donders Centre for Cognitive Neuroimaging
Medical Physics and Biophysics
Subject120 000 Neuronal Coherence; 120 001 Cognitive modulation of neuronal dynamics; 120 003 Role of neuronal synchrony in multi-modal integration; 120 004 Integrating distributed brain processes; Biophysics; DCN 1: Perception and Action; Research Donders Centre for Cognitive Neuroimaging; UMCN 3.2: Cognitive neurosciences; Onderzoek Donders Centre for Cognitive Neuroimaging
Brain processing depends on the interactions between neuronal groups. Those interactions are governed by the pattern of anatomical connections and by yet unknown mechanisms that modulate the effective strength of a given connection. We found that the mutual influence among neuronal groups depends on the phase relation between rhythmic activities within the groups. Phase relations supporting interactions between the groups preceded those interactions by a few milliseconds, consistent with a mechanistic role. These effects were specific in time, frequency, and space, and we therefore propose that the pattern of synchronization flexibly determines the pattern of neuronal interactions.
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