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A New Understanding of Mental DisordersComputational Models for Dimensional Psychiatry$
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Andreas Heinz

Print publication date: 2017

Print ISBN-13: 9780262036894

Published to MIT Press Scholarship Online: May 2018

DOI: 10.7551/mitpress/9780262036894.001.0001

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PRINTED FROM MIT PRESS SCHOLARSHIP ONLINE (www.mitpress.universitypressscholarship.com). (c) Copyright The MIT Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in MITSO for personal use.date: 30 June 2022

Reward-Dependent Learning

Reward-Dependent Learning

(p.29) 3 Reward-Dependent Learning
A New Understanding of Mental Disorders

Andreas Heinz

The MIT Press

In the third chapter, reward dependent instrumental learning and its computational modelling is explained. Reward prediction errors are encoded by phasic dopamine release and specific paradigms including reversal learning are described with respect to clinical findings in different mental disorders. The chapter illustrates how computational approaches avoid relying exclusively on subjective reports of patients and instead correlate specific computational steps during reward related learning with their neurobiological correlates.

Keywords:   Reward dependent instrumental learning, Computational modelling, Reward prediction errors, neurobiology

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