Chapter

Interoception and decision making

Martin P. Paulus

in Decision Making, Affect, and Learning

Published in print March 2011 | ISBN: 9780199600434
Published online May 2011 | e-ISBN: 9780191725623 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199600434.003.0018

Series: Attention and Performance

Interoception and decision making

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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

Chapter.  7012 words.  Illustrated.

Subjects: Cognitive Psychology

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