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      A neural microcircuit for cognitive conflict detection and signaling.

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          Abstract

          During human response conflict - competition between multiple conflicting actions when a mistake could be made - a specific pattern of brain electrical activity occurs over the medial frontal cortex (MFC), characterized by modulations of ongoing theta-band (∼6Hz) oscillations and synchronization with task-relevant brain regions. Despite the replicable and robust findings linking MFC theta to conflict processing, the significance of MFC theta for how neural microcircuits actually detect conflict and broadcast that signal is unknown. A neural MFC microcircuit model is proposed for processing conflict and generating theta oscillations. The model makes several novel predictions for the causes and consequences of MFC theta and conflict processing, and may be relevant for understanding the neural implementations of related cognitive processes.

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          Author and article information

          Journal
          Trends Neurosci.
          Trends in neurosciences
          1878-108X
          0166-2236
          Sep 2014
          : 37
          : 9
          Affiliations
          [1 ] Department of Psychology, University of Amsterdam, Amsterdam, The Netherlands. Electronic address: mikexcohen@gmail.com.
          Article
          S0166-2236(14)00104-0
          10.1016/j.tins.2014.06.004
          25034536
          73aac9a7-6d86-49f5-a374-34c350498742
          Copyright © 2014 Elsevier Ltd. All rights reserved.
          History

          cognitive control,cortical column,medial frontal cortex,microcircuit,neurocomputation,theta oscillations

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