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Synchronization by the hand: the sight of gestures modulates low-frequency activity in brain responses to continuous speech

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dc.contributor.author Biau, Emmanuel, 1985-
dc.contributor.author Soto-Faraco, Salvador, 1970-
dc.date.accessioned 2015-11-24T08:03:52Z
dc.date.available 2015-11-24T08:03:52Z
dc.date.issued 2015
dc.identifier.citation Biau E, Soto-Faraco S. Synchronization by the hand: the sight of gestures modulates low-frequency activity in brain responses to continuous speech. Front Hum Neurosci. 2015;9:527. doi: 10.3389/fnhum.2015.00527
dc.identifier.issn 1662-5161
dc.identifier.uri http://hdl.handle.net/10230/25186
dc.description.abstract During social interactions, speakers often produce spontaneous gestures to accompany their speech. These coordinated body movements convey communicative intentions, and modulate how listeners perceive the message in a subtle, but important way. In the present perspective, we put the focus on the role that congruent non-verbal information from beat gestures may play in the neural responses to speech. Whilst delta-theta oscillatory brain responses reflect the time-frequency structure of the speech signal, we argue that beat gestures promote phase resetting at relevant word onsets. This mechanism may facilitate the anticipation of associated acoustic cues relevant for prosodic/syllabic-based segmentation in speech perception. We report recently published data supporting this hypothesis, and discuss the potential of beats (and gestures in general) for further studies investigating continuous AV speech processing through low-frequency oscillations.
dc.description.sponsorship This research was supported by the Spanish Ministry of Science and Innovation (PSI2013-42626-P), AGAUR Generalitat de Catalunya (2014SGR856) and the European Research Council (StG-2010 263145).
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Frontiers
dc.relation.ispartof Frontiers in Human Neuroscience. 2015; 9:527.
dc.rights © 2015 Biau and Soto-Faraco. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.title Synchronization by the hand: the sight of gestures modulates low-frequency activity in brain responses to continuous speech
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.3389/fnhum.2015.00527
dc.subject.keyword Audiovisual speech
dc.subject.keyword Gestures
dc.subject.keyword Beats
dc.subject.keyword Low-frequency oscillations
dc.subject.keyword EEG
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/263145
dc.relation.projectID info:eu-repo/grantAgreement/ES/1PE/PSI2013-42626
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion


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