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Journal Article

Citation

SegalĂ  L, Vasilev G, Raynov I, Gonzalez R, Vassileva J. J. Dual Diagn. 2015; 11(3-4): 174-178.

Affiliation

d Commonwealth University , Department of Psychiatry , Richmond , VA.

Copyright

(Copyright © 2015, Informa - Taylor and Francis Group)

DOI

10.1080/15504263.2015.1104482

PMID

26457770

Abstract

OBJECTIVES: Heroin dependence is associated with deficits in impulsivity, which is also a core feature of ADHD. This study aimed to explore the association between childhood ADHD symptoms and cognitive and motor impulsivity among abstinent individuals with a history of heroin dependence.

METHODS: Thirty-two abstinent Bulgarian males with a history of heroin dependence participated in the study. Self-rated childhood ADHD symptoms were obtained using the Wender-Utah Rating Scale. Cognitive impulsivity was measured using the Iowa Gambling Task (IGT), an index of impulsive decision-making and the Delayed Reward Discounting Task (DRDT), a measure of inter-temporal choice. Motor impulsivity was indexed with the Stop Signal Task (SST), a measure of response inhibition.

RESULTS: Participants, whose average age was 27.66 years (SD = 2.7), had an average ADHD symptom score of 36.6 (SD = 18.6), roughly 7 years (SD = 2.9) of heroin use, and been abstinent for just over a year (M = 402.5 days, SD = 223.8). Linear regression analyses revealed that self-reported ADHD symptoms predicted impulsive decision-making (IGT), but not delayed discounting (DRDT) or response inhibition (SST).

CONCLUSIONS: Self-reported childhood ADHD symptoms do not uniformly predict impulsivity among abstinent individuals with heroin dependence.

RESULTS suggest the IGT may be more sensitive to externalizing psychopathology among individuals with heroin dependence than other measures of impulsivity.


Language: en

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