Neural Mechanisms of Transient and Sustained Cognitive Control during Task Switching

  title={Neural Mechanisms of Transient and Sustained Cognitive Control during Task Switching},
  author={Todd S. Braver and Jeremy R. Reynolds and David I. Donaldson},
A hybrid blocked and event-related functional magnetic resonance imaging (fMRI) study decomposed brain activity during task switching into sustained and transient components. Contrasting task-switching blocks against single-task blocks revealed sustained activation in right anterior prefrontal cortex (PFC). Contrasting task-switch trials against task-repeat and single-task trials revealed activation in left lateral PFC and left superior parietal cortex. In both sets of regions, activation… CONTINUE READING
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