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- W1990068200 endingPage "326" @default.
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- W1990068200 abstract "The authors explore the division of labor between the basal ganglia-dopamine (BG-DA) system and the orbitofrontal cortex (OFC) in decision making. They show that a primitive neural network model of the BG-DA system slowly learns to make decisions on the basis of the relative probability of rewards but is not as sensitive to (a) recency or (b) the value of specific rewards. An augmented model that explores BG-OFC interactions is more successful at estimating the true expected value of decisions and is faster at switching behavior when reinforcement contingencies change. In the augmented model, OFC areas exert top-down control on the BG and premotor areas by representing reinforcement magnitudes in working memory. The model successfully captures patterns of behavior resulting from OFC damage in decision making, reversal learning, and devaluation paradigms and makes additional predictions for the underlying source of these deficits." @default.
- W1990068200 created "2016-06-24" @default.
- W1990068200 creator A5007609257 @default.
- W1990068200 creator A5080067027 @default.
- W1990068200 date "2006-04-01" @default.
- W1990068200 modified "2023-09-25" @default.
- W1990068200 title "Anatomy of a decision: Striato-orbitofrontal interactions in reinforcement learning, decision making, and reversal." @default.
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