The role of neuronal synchronization in selective attention
SourceCurrent Opinion in Neurobiology, 17, 2, (2007), pp. 154-160
Article / Letter to editor
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Donders Centre for Cognitive Neuroimaging
F.C. Donders Centre for Cognitive Neuroimaging
Current Opinion in Neurobiology
Subject120 000 Neuronal Coherence; 120 003 Role of neuronal synchrony in multi-modal integration; Biophysics; Research Donders Centre for Cognitive Neuroimaging; Onderzoek Donders Centre for Cognitive Neuroimaging
Attention selectively enhances the influence of neuronal responses conveying information about relevant sensory attributes. Accumulating evidence suggests that this selective neuronal modulation relies on rhythmic synchronization at local and long-range spatial scales: attention selectively synchronizes the rhythmic responses of those neurons that are tuned to the spatial and featural attributes of the attended sensory input. The strength of synchronization is thereby functionally related to perceptual accuracy and behavioural efficiency. Complementing this synchronization at a local level, attention has recently been demonstrated to regulate which locally synchronized neuronal groups phase-synchronize their rhythmic activity across long-range connections. These results point to a general computational role for selective synchronization in dynamically controlling which neurons communicate information about sensory inputs effectively.
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