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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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Executive Control and Model-Based Decision Making

Executive Control and Model-Based Decision Making

(p.45) 4 Executive Control and Model-Based Decision Making
A New Understanding of Mental Disorders

Andreas Heinz

The MIT Press

Within instrumental behavior, more complex goal-directed decision making can be distinguished from habitual responding. This is illustrated by comparing model-based vs. model-free decision making and by explaining its relevance in addictive disorders. Model-based decision making aims at constructing a map of the world, while habitual decisions prune a “decision tree” and thus facilitate rather automatic responding.

Keywords:   Instrumental behaviour, Goal-directed decision, Model-based decision, Model-free decision

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