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- W2928288567 abstract "Divergent accounts of how choices are represented by neural populations have led to conflicting explanations of the underlying mechanisms of decision-making, ranging from persistent, attractor-based dynamics to transient, sequence-based dynamics. To evaluate these mechanisms, we characterize the spatial and temporal structure of choice representations in large neural populations in prefrontal cortex. We find that the pronounced diversity of choice responses across neurons reflects only a few, mostly persistent population patterns recruited at progressively later times before and after a choice. Brief sequential activity occurs during a saccadic choice, but is entirely absent in a delay preceding it. The diversity of choice responses, which could result from almost-random connectivity in the underlying circuits, instead largely reflects the topographical arrangement of response-field properties across the cortical surface. This spatial organization appears to form a fixed scaffold upon which the context-dependent representations of task-specific variables often observed in prefrontal cortex can be learned." @default.
- W2928288567 created "2019-04-11" @default.
- W2928288567 creator A5005648867 @default.
- W2928288567 creator A5030840851 @default.
- W2928288567 creator A5080924717 @default.
- W2928288567 date "2019-04-01" @default.
- W2928288567 modified "2023-10-02" @default.
- W2928288567 title "Spatial and temporal structure of choice representations in primate prefrontal cortex" @default.
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- W2928288567 doi "https://doi.org/10.1101/595520" @default.
- W2928288567 hasPublicationYear "2019" @default.
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