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

G. Elliott Wimmer and Daphna Shohamy

in Decision Making, Affect, and Learning

Published in print March 2011 | ISBN: 9780199600434
Published online May 2011 | e-ISBN: 9780191725623 | DOI:

Series: Attention and Performance

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

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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

Chapter.  13535 words.  Illustrated.

Subjects: Cognitive Psychology

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