Matching Behavior and the Representation of Value in the Parietal Cortex

by: Leo P Sugrue, Greg S Corrado, William T Newsome

Science, Vol. 304, No. 5678. (18 June 2004), pp. 1782-1787.

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Abstract

Psychologists and economists have long appreciated the contribution of reward history and expectation to decision-making. Yet we know little about how specific histories of choice and reward lead to an internal representation of the "value" of possible actions. We approached this problem through an integrated application of behavioral, computational, and physiological techniques. Monkeys were placed in a dynamic foraging environment in which they had to track the changing values of alternative choices through time. In this context, the monkeys' foraging behavior provided a window into their subjective valuation. We found that a simple model based on reward history can duplicate this behavior and that neurons in the parietal cortex represent the relative value of competing actions predicted by this model.

@article{citeulike:86821, abstract = {Psychologists and economists have long appreciated the contribution of reward history and expectation to decision-making. Yet we know little about how specific histories of choice and reward lead to an internal representation of the "value" of possible actions. We approached this problem through an integrated application of behavioral, computational, and physiological techniques. Monkeys were placed in a dynamic foraging environment in which they had to track the changing values of alternative choices through time. In this context, the monkeys' foraging behavior provided a window into their subjective valuation. We found that a simple model based on reward history can duplicate this behavior and that neurons in the parietal cortex represent the relative value of competing actions predicted by this model.}, author = {Sugrue, Leo P. and Corrado, Greg S. and Newsome, William T. }, citeulike-article-id = {86821}, doi = {http://dx.doi.org/10.1126/science.1094765}, journal = {Science}, keywords = {decision\_making, matching\_law}, month = {June}, number = {5678}, pages = {1782--1787}, posted-at = {2007-11-14 12:32:11}, priority = {0}, title = {Matching Behavior and the Representation of Value in the Parietal Cortex}, url = {http://dx.doi.org/10.1126/science.1094765}, volume = {304}, year = {2004} }

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TY - JOUR ID - citeulike:86821 L3 - citeulike-article-id:86821 N2 - Psychologists and economists have long appreciated the contribution of reward history and expectation to decision-making. Yet we know little about how specific histories of choice and reward lead to an internal representation of the "value" of possible actions. We approached this problem through an integrated application of behavioral, computational, and physiological techniques. Monkeys were placed in a dynamic foraging environment in which they had to track the changing values of alternative choices through time. In this context, the monkeys' foraging behavior provided a window into their subjective valuation. We found that a simple model based on reward history can duplicate this behavior and that neurons in the parietal cortex represent the relative value of competing actions predicted by this model. IS - 5678 JF - Science EP - 1787 TI - Matching Behavior and the Representation of Value in the Parietal Cortex VL - 304 SP - 1782 KW - decision_making KW - matching_law AU - Sugrue, Leo AU - Corrado, Greg AU - Newsome, William PY - 2004/06/18/ UR - http://dx.doi.org/10.1126/science.1094765 ER -

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