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Impulsivity and Rapid Discounting of Delayed Hypothetical Rewards in Cocaine-Dependent Individuals

In this study, crack/cocaine-dependent (CD) and non-drug-using matched control (MC) participants were presented with hypothetical immediate and delayed rewards, with 16 delay conditions ranging from 5 min to 25 years. All participants were presented with hypothetical monetary rewards; however, the C...

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Published in:	Experimental and clinical psychopharmacology 2003-02, Vol.11 (1), p.18-25
Main Authors:	Coffey, Scott F, Gudleski, Gregory D, Saladin, Michael E, Brady, Kathleen T
Format:	Article
Language:	English
Subjects:	Adult Cocaine Cocaine-Related Disorders - psychology Delay of Gratification Drug Dependency Female Human Humans Impulsive Behavior - psychology Impulsiveness Intelligence Tests Male Motivation Psychiatric Status Rating Scales Reward Rewards Surveys and Questionnaires Time Factors
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creator	Coffey, Scott F Gudleski, Gregory D Saladin, Michael E Brady, Kathleen T
description	In this study, crack/cocaine-dependent (CD) and non-drug-using matched control (MC) participants were presented with hypothetical immediate and delayed rewards, with 16 delay conditions ranging from 5 min to 25 years. All participants were presented with hypothetical monetary rewards; however, the CD group was also presented with hypothetical crack/cocaine rewards. The objective value of the rewards ranged from $1 to $1,000. Hyperbolic discounting functions provided a good fit of the data. The CD group discounted monetary rewards at a higher rate than the MC group did, and the CD group discounted crack/cocaine rewards at a higher rate than it did monetary rewards. Moreover, scores on self-report measures indicated greater impulsivity in the CD group when compared with the MC group.
doi_str_mv	10.1037/1064-1297.11.1.18
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subjects	Adult Cocaine Cocaine-Related Disorders - psychology Delay of Gratification Drug Dependency Female Human Humans Impulsive Behavior - psychology Impulsiveness Intelligence Tests Male Motivation Psychiatric Status Rating Scales Reward Rewards Surveys and Questionnaires Time Factors
title	Impulsivity and Rapid Discounting of Delayed Hypothetical Rewards in Cocaine-Dependent Individuals
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