Disinhibitory psychopathology and delay discounting in alcohol dependence: Personality and cognitive correlates.
- 1 January 2009
- journal article
- Published by American Psychological Association (APA) in Experimental and Clinical Psychopharmacology
- Vol. 17 (1) , 51-61
- https://doi.org/10.1037/a0014503
Abstract
Increased discounting of delayed rewards may reflect a decision bias that contributes to excessive use of alcohol and more generally, to an impulsive, disinhibitory predisposition that is characterized by a preference for immediate over long-term rewards. The current study examined the association between delay discounting of rewards and the covariation among several types of disinhibitory problems that are often comorbid with alcohol dependence (AD). Lifetime problems with alcohol, marijuana, other drugs, childhood conduct disorder, and adult antisocial behavior were assessed in a sample of 426 young adults, 257 of whom had a lifetime diagnosis of AD. Higher delay discounting rates were associated with the covariation among all domains of disinhibitory problems and were not uniquely associated with any one domain. Higher delay discounting rates also were associated with lower intelligence, lower working memory capacity, and higher trait impulsivity. The results suggest that increased delay discounting of rewards may reflect aspects of a general vulnerability to externalizing, disinhibitory disorders.Keywords
Funding Information
- National Institute on Alcohol Abuse and Alcoholism (R01 AA13650, T32 AA07642)
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