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Decision Making, Affect, and LearningAttention and Performance XXIII$
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Mauricio R. Delgado, Elizabeth A. Phelps, and Trevor W. Robbins

Print publication date: 2011

Print ISBN-13: 9780199600434

Published to Oxford Scholarship Online: May 2011

DOI: 10.1093/acprof:oso/9780199600434.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 23 October 2021

The striatum and beyond: contributions of the hippocampus to decision making

The striatum and beyond: contributions of the hippocampus to decision making

(p.281) Chapter 13 The striatum and beyond: contributions of the hippocampus to decision making
Decision Making, Affect, and Learning

G. Elliott Wimmer

Daphna Shohamy

Oxford University Press

This chapter reviews existing data regarding the role of the hippocampus and the striatum in learning, and their modulation by dopamine, in order to provide a broader understanding of how learning guides decision making. In particular, it suggests that, while the striatum supports decisions based on gradual stimulus-response learning, the hippocampus supports decisions that depend upon episodic, contextual information and mnemonic flexibility. It describes an experiment with a novel paradigm that investigates the role of hippocampal-dependent memory processes in decision making, and demonstrates that representational processes characteristic of episodic memory emerge in the context of a reward-based decision-making task.

Keywords:   hippocampus, striatum, learning, dopamine, decision making, representational process, memory

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