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Capturing with EEG the neural entrainment and coupling underlying sensorimotor synchronization to the beat

Cerebral cortex (New York, N.Y. 1991), 2015-03, Vol.25 (3), p.736-747 [Peer Reviewed Journal]

The Author 2013. Published by Oxford University Press. All rights reserved. For Permissions, please e-mail: journals.permissions@oup.com. ;ISSN: 1047-3211 ;EISSN: 1460-2199 ;DOI: 10.1093/cercor/bht261 ;PMID: 24108804

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  • Title:
    Capturing with EEG the neural entrainment and coupling underlying sensorimotor synchronization to the beat
  • Author: Nozaradan, Sylvie ; Zerouali, Younes ; Peretz, Isabelle ; Mouraux, André
  • Subjects: Acoustic Stimulation ; Adult ; Auditory Perception - physiology ; Brain - physiology ; Brain Waves ; Cortical Synchronization ; Electroencephalography ; Female ; Humans ; Male ; Psychomotor Performance - physiology ; Young Adult
  • Is Part Of: Cerebral cortex (New York, N.Y. 1991), 2015-03, Vol.25 (3), p.736-747
  • Description: Synchronizing movements with rhythmic inputs requires tight coupling of sensory and motor neural processes. Here, using a novel approach based on the recording of steady-state-evoked potentials (SS-EPs), we examine how distant brain areas supporting these processes coordinate their dynamics. The electroencephalogram was recorded while subjects listened to a 2.4-Hz auditory beat and tapped their hand on every second beat. When subjects tapped to the beat, the EEG was characterized by a 2.4-Hz SS-EP compatible with beat-related entrainment and a 1.2-Hz SS-EP compatible with movement-related entrainment, based on the results of source analysis. Most importantly, when compared with passive listening of the beat, we found evidence suggesting an interaction between sensory- and motor-related activities when subjects tapped to the beat, in the form of (1) additional SS-EP appearing at 3.6 Hz, compatible with a nonlinear product of sensorimotor integration; (2) phase coupling of beat- and movement-related activities; and (3) selective enhancement of beat-related activities over the hemisphere contralateral to the tapping, suggesting a top-down effect of movement-related activities on auditory beat processing. Taken together, our results are compatible with the view that rhythmic sensorimotor synchronization is supported by a dynamic coupling of sensory and motor related activities.
  • Publisher: United States
  • Language: English
  • Identifier: ISSN: 1047-3211
    EISSN: 1460-2199
    DOI: 10.1093/cercor/bht261
    PMID: 24108804
  • Source: MEDLINE
    Alma/SFX Local Collection
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