Titre
Pre-stimulus beta oscillations within left posterior sylvian regions impact auditory temporal order judgment accuracy.
Type
article
Institution
UNIL/CHUV/Unisanté + institutions partenaires
Périodique
Auteur(s)
Bernasconi, F.
Auteure/Auteur
Manuel, A.L.
Auteure/Auteur
Murray, M.M.
Auteure/Auteur
Spierer, L.
Auteure/Auteur
Liens vers les personnes
Liens vers les unités
ISSN
1872-7697[electronic], 0167-8760[linking]
Statut éditorial
Publié
Date de publication
2011
Volume
79
Numéro
2
Première page
244
Dernière page/numéro d’article
248
Langue
anglais
Notes
Publication types: Journal Article
Publication Status: ppublish
Publication Status: ppublish
Résumé
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.
PID Serval
serval:BIB_EE3364FF62DF
PMID
Date de création
2010-12-14T12:26:12.880Z
Date de création dans IRIS
2025-05-21T05:37:40Z