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    Alpha band signatures of social synchrony

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    Authors
    Fitzpatrick, Paula
    Mitchell, Teresa V.
    Schmidt, R. C.
    Kennedy, David N.
    Frazier, Jean A.
    UMass Chan Affiliations
    Eunice Kennedy Shriver Center, Department of Psychiatry
    Document Type
    Journal Article
    Publication Date
    2019-04-23
    Keywords
    EEG recording
    Interpersonal synchronization
    Motor movements
    Mu suppression
    Nervous System
    Neuroscience and Neurobiology
    Psychiatry
    Psychiatry and Psychology
    Social Psychology
    Social Psychology and Interaction
    
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    https://doi.org/10.1016/j.neulet.2019.01.037
    Abstract
    Previous research has reported changes in mu rhythm, the central rhythm of the alpha frequency band, in both intentional and spontaneous interpersonal coordination. The current study was designed to extend existing findings on social synchrony to the pendulum swinging task and simultaneously measured time unfolding behavioral synchrony and EEG estimation of mu activity during spontaneous, intentional in-phase and intentional anti-phase interpersonal coordination. As expected, the behavioral measures of synchrony demonstrated the expected pattern of weak synchronization for spontaneous coordination, moderate synchronization for intentional anti-phase coordination, and strong synchronization for in-phase coordination. With respect to the EEG measures, we found evidence for mu enhancement for spontaneous coordination in contrast to mu suppression for intentional coordination (both in phase and anti-phase), with higher levels of synchronization associated with higher levels of mu suppression in the right hemisphere. The implications of the research findings and methodology for understanding the underlying mechanisms contributing to social problems in psychological disorders, leader-follower relationships, and inter-brain dynamics are discussed.
    Source

    Neurosci Lett. 2019 Apr 23;699:24-30. doi: 10.1016/j.neulet.2019.01.037. Epub 2019 Jan 23. Link to article on publisher's site

    DOI
    10.1016/j.neulet.2019.01.037
    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/46324
    PubMed ID
    30684678
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    Link to Article in PubMed

    ae974a485f413a2113503eed53cd6c53
    10.1016/j.neulet.2019.01.037
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