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A Goldilocks theory of cognitive control: Balancing precision and efficiency with low-dimensional control states

Camden J. MacDowell, Sina Tafazoli, Timothy J. Buschman

Curr. Opin. Neurobio. 2022. 76.

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Cognitive control orchestrates interactions between brain regions, guiding the transformation of information to support contextually appropriate and goal-directed behaviors. In this review, we propose a hierarchical model of cognitive control where low-dimensional control states direct the flow of high-dimensional representations between regions. This allows cognitive control to flexibly adapt to new environments and maintain the representational capacity to capture the richness of the world.

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