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A Matched Filter Hypothesis for Cognitive Control
Chrysikou, Evangelia G. Weber, Matthew J. Thompson-Schill, Sharon L.
Chrysikou, Evangelia G.
Weber, Matthew J.
Thompson-Schill, Sharon L.
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Abstract
The prefrontal cortex exerts top-down influences on several aspects of higher-order cognition by functioning as a filtering mechanism that biases bottom-up sensory information toward a response that is optimal in context. However, research also indicates that not all aspects of complex cognition benefit from prefrontal regulation. Here we review and synthesize this research with an emphasis on the domains of learning and creative cognition, and outline how the appropriate level of cognitive control in a given situation can vary depending on the organism's goals and the characteristics of the given task. We offer a Matched Filter Hypothesis for cognitive control, which proposes that the optimal level of cognitive control is task-dependent, with high levels of cognitive control best suited to tasks that are explicit, rule-based, verbal or abstract, and can be accomplished given the capacity limits of working memory and with low levels of cognitive control best suited to tasks that are implicit, reward-based, non-verbal or intuitive, and which can be accomplished irrespective of working memory limitations. Our approach promotes a view of cognitive control as a tool adapted to a subset of common challenges, rather than an all-purpose optimization system suited to every problem the organism might encounter.
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Date
2013-11-05
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Elsevier
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Keywords
Cognitive control, Prefrontal cortex, Dynamic filtering, Learning, Creativity
Citation
Chrysikou, Evangelia G., Matthew J. Weber, and Sharon L. Thompson-Schill. “A Matched Filter Hypothesis for Cognitive Control.” Neuropsychologia 62 (2014): 341–355.