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Prelude to and Resolution of an Error: EEG Phase Synchrony Reveals Cognitive Control Dynamics during Action Monitoring

Prelude to and Resolution of an Error: EEG Phase Synchrony Reveals Cognitive Control Dynamics... 98 • The Journal of Neuroscience, January 7, 2009 • 29(1):98 –105 Behavioral/Systems/Cognitive Prelude to and Resolution of an Error: EEG Phase Synchrony Reveals Cognitive Control Dynamics during Action Monitoring 1 1,2 1 James F. Cavanagh, * Michael X Cohen, * and John J. B. Allen 1 2 Department of Psychology, University of Arizona, Tucson, Arizona 85721, and Department of Psychology, The University of Amsterdam, 1018 WB Amsterdam, The Netherlands Error-related activity in the medial prefrontal cortex (mPFC) is thought to work in conjunction with lateral prefrontal cortex (lPFC) as a part of an action-monitoring network, where errors signal the need for increased cognitive control. The neural mechanism by which this mPFC–lPFC interaction occurs remains unknown. We hypothesized that transient synchronous oscillations in the theta range reflect a mechanism by which these structures interact. To test this hypothesis, we extracted oscillatory phase and power from current–source– density-transformed electroencephalographic data recorded during a Flanker task. Theta power in the mPFC was diminished on the trial preceding an error and increased immediately after an error, consistent with predictions of an action-monitoring system. These power dynamics appeared to take place over a response-related background of oscillatory theta phase coherence. Theta phase synchronization http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neuroscience Unpaywall

Prelude to and Resolution of an Error: EEG Phase Synchrony Reveals Cognitive Control Dynamics during Action Monitoring

Journal of NeuroscienceJan 7, 2009
8 pages

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Publisher
Unpaywall
ISSN
0270-6474
DOI
10.1523/jneurosci.4137-08.2009
Publisher site
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Abstract

98 • The Journal of Neuroscience, January 7, 2009 • 29(1):98 –105 Behavioral/Systems/Cognitive Prelude to and Resolution of an Error: EEG Phase Synchrony Reveals Cognitive Control Dynamics during Action Monitoring 1 1,2 1 James F. Cavanagh, * Michael X Cohen, * and John J. B. Allen 1 2 Department of Psychology, University of Arizona, Tucson, Arizona 85721, and Department of Psychology, The University of Amsterdam, 1018 WB Amsterdam, The Netherlands Error-related activity in the medial prefrontal cortex (mPFC) is thought to work in conjunction with lateral prefrontal cortex (lPFC) as a part of an action-monitoring network, where errors signal the need for increased cognitive control. The neural mechanism by which this mPFC–lPFC interaction occurs remains unknown. We hypothesized that transient synchronous oscillations in the theta range reflect a mechanism by which these structures interact. To test this hypothesis, we extracted oscillatory phase and power from current–source– density-transformed electroencephalographic data recorded during a Flanker task. Theta power in the mPFC was diminished on the trial preceding an error and increased immediately after an error, consistent with predictions of an action-monitoring system. These power dynamics appeared to take place over a response-related background of oscillatory theta phase coherence. Theta phase synchronization

Journal

Journal of NeuroscienceUnpaywall

Published: Jan 7, 2009

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