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A matched filter hypothesis for cognitive control.

Evangelia G Chrysikou1, Matthew J Weber2, Sharon L Thompson-Schill2

  • 1Department of Psychology, University of Kansas.

Neuropsychologia
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PubMed
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Cognitive control, regulated by the prefrontal cortex, is not always optimal. Its effectiveness depends on task demands, with high control suited for rule-based tasks and low control for intuitive ones.

Keywords:
Cognitive controlCreativityDynamic filteringLearningPrefrontal cortex

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Area of Science:

  • Neuroscience
  • Cognitive Psychology

Background:

  • The prefrontal cortex (PFC) regulates cognition via top-down filtering of sensory information.
  • Not all cognitive processes benefit from PFC regulation.

Purpose of the Study:

  • To review and synthesize research on PFC regulation in learning and creative cognition.
  • To propose a task-dependent model for cognitive control.

Main Methods:

  • Literature review and synthesis.
  • Development of the matched filter hypothesis for cognitive control.

Main Results:

  • Cognitive control's optimal level varies with task characteristics and organism goals.
  • High cognitive control suits explicit, rule-based, verbal, or abstract tasks within working memory limits.
  • Low cognitive control suits implicit, reward-based, non-verbal, or intuitive tasks, independent of working memory.

Conclusions:

  • Cognitive control is a specialized tool, not a universal optimization system.
  • The matched filter hypothesis explains task-dependent cognitive control effectiveness.