AI Article Synopsis
- * Findings indicate that the vlPFC is crucial for various cognitive tasks, encoding different aspects of task performance, whereas the dlPFC and TE focus more on specific features like location and object identity.
- * The communication flow during task execution starts with the vlPFC indicating target location, which is then supported by exchanges with the dlPFC, highlighting the vlPFC’s role in managing complex, multi-step processes.
Article Abstract
Ventrolateral prefrontal cortex (vlPFC), dorsolateral prefrontal cortex (dlPFC), and temporal cortex (TE) all contribute to visual decision-making. Accumulating evidence suggests that vlPFC may play a central role in multiple cognitive operations, perhaps resembling domain-general regions of the human frontal lobe. We trained monkeys in a task calling for learning, retrieval, and spatial selection of rewarded target objects. Recordings of neural activity covered large areas of vlPFC, dlPFC, and TE. Results suggested a central role for vlPFC in each cognitive operation with strong coding of each task feature, while only location was strongly coded in dlPFC and current object identity in TE. During target selection, target location was communicated first from vlPFC to dlPFC, followed by extensive mutual support. In vlPFC, stimulus identities were independently coded in different task operations. The results suggest a central role for the inferior frontal convexity in controlling successive operations of a complex, multi-step task.
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| http://dx.doi.org/10.1016/j.neuron.2022.11.004 | DOI Listing |
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