| Pre-stimulus beta oscillations within left posterior sylvian regions impact auditory temporal order judgment accuracy. | |
MedLine Citation:
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PMID: 21056064 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Both neural and behavioral responses to stimuli are influenced by the state of the brain immediately preceding their presentation, notably by pre-stimulus oscillatory activity. Using frequency analysis of high-density electroencephalogram coupled with source estimations, the present study investigated the role of pre-stimulus oscillatory activity in auditory spatial temporal order judgments (TOJ). Oscillations within the beta range (i.e. 18-23Hz) were significantly stronger before accurate than inaccurate TOJ trials. Distributed source estimations identified bilateral posterior sylvian regions as the principal contributors to pre-stimulus beta oscillations. Activity within the left posterior sylvian region was significantly stronger before accurate than inaccurate TOJ trials. We discuss our results in terms of a modulation of sensory gating mechanisms mediated by beta activity. |
Authors:
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Fosco Bernasconi; Aurelie L Manuel; Micah M Murray; Lucas Spierer |
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Publication Detail:
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Type: Journal Article Date: 2010-11-03 |
Journal Detail:
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Title: International journal of psychophysiology : official journal of the International Organization of Psychophysiology Volume: 79 ISSN: 1872-7697 ISO Abbreviation: Int J Psychophysiol Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-02-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8406214 Medline TA: Int J Psychophysiol Country: Netherlands |
Other Details:
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Languages: eng Pagination: 244-8 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier B.V. All rights reserved. |
Affiliation:
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Neuropsychology and Neurorehabilitation Service, Department of Clinical Neurosciences, Vaudois University Hospital Center and University of Lausanne, Lausanne, Switzerland; Community Psychiatry Service, Vaudois University Hospital Center and University of Lausanne, Lausanne, Switzerland. |
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