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Addiction and Responsibility$
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Jeffrey Poland and George Graham

Print publication date: 2011

Print ISBN-13: 9780262015509

Published to MIT Press Scholarship Online: August 2013

DOI: 10.7551/mitpress/9780262015509.001.0001

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PRINTED FROM MIT PRESS SCHOLARSHIP ONLINE (www.mitpress.universitypressscholarship.com). (c) Copyright The MIT Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in MITSO for personal use.date: 02 March 2021

Drug Addiction as Incentive Sensitization

Drug Addiction as Incentive Sensitization

Chapter:
(p.21) 2 Drug Addiction as Incentive Sensitization
Source:
Addiction and Responsibility
Author(s):

Kent C. Berridge

Terry E. Robinson

Publisher:
The MIT Press
DOI:10.7551/mitpress/9780262015509.003.0002

This chapter focuses on and provides a general overview of the incentive-sensitization theory of addiction. Through the years, it has been gradually recognized that drugs can cause complex changes in the brains of susceptible individuals, and that these changes contribute to the transition to addiction. Multiple symptoms of addiction are caused by these drug-induced changes that alter various psychological processes. The incentive-sensitization theory of addiction maintains that the most significant of these psychological changes is the persistent “sensitization” or hypersensitivity to the incentive motivational effects of drugs and drug-associated stimuli. Additional views are offered regarding related issues that may have relevance to philosophical analyses, some excerpted from essays on the concept of incentive salience for philosophers and psychologists.

Keywords:   incentive-sensitization theory, drugs, transition to addiction, drug-induced changes, incentive motivational effects, drug-associated stimuli, incentive salience

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