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    Maintenance and Representation of Mind Wandering during Resting-State fMRI

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    srep40722.pdf
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    Author
    Chou, Ying-hui
    Sundman, Mark
    Whitson, Heather E.
    Gaur, Pooja
    Chu, Mei-Lan
    Weingarten, Carol P.
    Madden, David J.
    Wang, Lihong
    Kirste, Imke
    Joliot, Marc
    Diaz, Michele T.
    Li, Yi-Ju
    Song, Allen W.
    Chen, Nan-kuei
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    Affiliation
    Univ Arizona, Dept Psychol
    Univ Arizona, Cognit Sci Program
    Univ Arizona, Arizona Ctr Aging
    Univ Arizona, Dept Biomed Engn
    Univ Arizona, Dept Med Imaging
    Issue Date
    2017-01-12
    
    Metadata
    Show full item record
    Publisher
    NATURE PUBLISHING GROUP
    Citation
    Maintenance and Representation of Mind Wandering during Resting-State fMRI 2017, 7:40722 Scientific Reports
    Journal
    Scientific Reports
    Rights
    This work is licensed under a Creative Commons Attribution 4.0 International License.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Major advances in resting-state functional magnetic resonance imaging (fMRI) techniques in the last two decades have provided a tool to better understand the functional organization of the brain both in health and illness. Despite such developments, characterizing regulation and cerebral representation of mind wandering, which occurs unavoidably during resting-state fMRI scans and may induce variability of the acquired data, remains a work in progress. Here, we demonstrate that a decrease or decoupling in functional connectivity involving the caudate nucleus, insula, medial prefrontal cortex and other domain-specific regions was associated with more sustained mind wandering in particular thought domains during resting-state fMRI. Importantly, our findings suggest that temporal and between-subject variations in functional connectivity of above-mentioned regions might be linked with the continuity of mind wandering. Our study not only provides a preliminary framework for characterizing the maintenance and cerebral representation of different types of mind wandering, but also highlights the importance of taking mind wandering into consideration when studying brain organization with resting-state fMRI in the future.
    ISSN
    2045-2322
    DOI
    10.1038/srep40722
    Version
    Final published version
    Sponsors
    NIH [R01 NS074045, R01 MH098301, R01AG043438, R01 AG039684]
    Additional Links
    http://www.nature.com/articles/srep40722
    ae974a485f413a2113503eed53cd6c53
    10.1038/srep40722
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    UA Faculty Publications

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