Anterior cingulate cortex and response conflict: Effects of response modality and processing domain

  • Barch D
  • Braver T
  • Akbudak E
 et al. 
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Abstract

Studies of higher cognitive functions consistently activate a region of the anterior cingulate cortex (ACC). However, a review of the literature shows that it is not clear whether the same ACC region is activated for all response modalities and/or all processing domains. To explore this question, this study used rapid event-related functional magnetic resonance imaging (MRI) and a spatial Stroop task with conditions tapping both verbal and spatial processing. The study also used novel methods for acquiring the accuracy and reaction time (RT) of both manual and vocal responses. 13 19-33 yr olds participated in 2 spatial Stroop tasks (attend to location or word) which were fully crossed with 2 response types (manual or vocal) and 4 trial types (fixation, congruent, neutral, or incongruent). In all task conditions, Ss were presented with a word either to the right or left of a central fixation point. The data revealed 1 large ACC region that showed significant response conflict effects with both vocal and manual responses, and 3 ACC regions that demonstrated significant response conflict effects with both spatial and verbal processing. The results suggest that the same regions of ACC are responsive to conflict arising with both manual and vocal output and with both spatial and verbal processing. (PsycINFO Database Record (c) 2007 APA, all rights reserved)

Author-supplied keywords

  • Adulthood (18 yrs & older)
  • Cognitive Processes
  • Conflict
  • Female
  • Gyrus Cinguli
  • Human
  • Male
  • Neuropsychology & Neurology 2520
  • Reaction Time
  • Response Parameters
  • Thirties (30-39 yrs)
  • Young Adulthood (18-29 yrs)
  • anterior cingulate cortex
  • manual & vocal response RT
  • response conflict
  • verbal & spatial processing domain

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Authors

  • Deanna M Barch

  • T S Braver

  • Erbil Akbudak

  • Tom Conturo

  • John Ollinger

  • Avraham Snyder

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