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Published on: October 13, 2023
Functional localization within the prefrontal cortex: missing the forest for the trees?
Charles R E Wilson1, David Gaffan, Philip G F Browning
1Stem Cell and Brain Research Institute, Institut National de la Santé et de la Recherche Médicale Unité 846, 18 avenue du Doyen Lépine, 69675 Cedex, Lyon, France.
None:
Anatomical and functional studies of the prefrontal cortex (PFC) have identified multiple PFC subregions. We argue that the PFC is involved in cognitive functions exceeding the sum of specific functions attributed to its subregions. These can be revealed either by lesions of the whole PFC, or more specifically by selective disconnection of the PFC from certain types of information (for example, visual) allowing the investigation of PFC function in toto. Recent studies in macaque monkeys using the latter approach lead to a second conclusion: that the PFC, as a whole, could be fundamentally specialized for representing events that are extended in time. The representation of temporally complex events might underlie PFC involvement in general intelligence, decision-making, and executive function.
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