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- W4287122796 abstract "We propose that the entirety of the prefrontal cortex can be seen as fundamentally premotor in nature. By this, we mean that the prefrontal cortex consists of an action abstraction hierarchy whose core function is the potentiation and depotentiation of possible action plans at different levels of granularity. We argue that the apex of the hierarchy should revolve around the process of goal selection, which we posit is inherently a form of abstract action optimization. Anatomical and functional evidence supports the idea that this hierarchy originates on the orbital surface of the brain and extends dorsally to motor cortex. Our view, therefore, positions the orbitofrontal cortex as the central site for the optimization of goal selection policies, and suggests that other proposed roles are aspects of this more general function. We conclude by proposing that the dynamical systems approach, which works well in motor systems, can be extended to the rest of prefrontal cortex. Our proposed perspective will reframe outstanding questions, open up new areas of inquiry, and will align theories of prefrontal function with evolutionary principles." @default.
- W4287122796 created "2022-07-25" @default.
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- W4287122796 date "2021-06-08" @default.
- W4287122796 modified "2023-09-24" @default.
- W4287122796 title "The whole prefrontal cortex is premotor cortex" @default.
- W4287122796 doi "https://doi.org/10.48550/arxiv.2106.04651" @default.
- W4287122796 hasPublicationYear "2021" @default.
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