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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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Interoception and decision making

Interoception and decision making

Chapter:
(p.387) Chapter 18 Interoception and decision making
Source:
Decision Making, Affect, and Learning
Author(s):

Martin P. Paulus

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199600434.003.0018

This chapter reviews three constructs that have important contributions to risky decision making. First, it considers interoception and its neural substrates, discusses the characteristics of interoceptive processing as they relate to decision making, and outlines the relationship between interoception and reward. Second, the notion of alliesthesia is introduced and the connection to interoception is provided, together with the presumed underlying neural substrates. Third, a heuristic homeostatic decision-making model is proposed, which is based on existing mathematical formulations of prospect theory augmented by a variable that indicates the internal state of the individual. Based on this extension, it can be shown that individuals undergo preference reversals in decision-making situations. These three approaches can be used to better quantify and understand decision-making dysfunctions in individuals with psychiatric disorders.

Keywords:   risky decisision making, interoception, reward, alliesthesia, decision making model

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