Journal
JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY
Volume 35, Issue 9, Pages 897-905Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/13803395.2013.828022
Keywords
Heroin dependence; Personality trait; Impulsivity; Cognitive functioning; Disinhibition
Categories
Funding
- National Natural Science Foundation of China [31271113]
- Ministry of Education China [10YJAXLX001]
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There is mixed evidence concerning cognitive function and heroin dependence. In this study, abstinent heroin-dependent individuals (n = 86) and age- and sex-matched non-drug-using controls (n = 88) were compared on self-report measures of impulsivity and computerized assessments of cognitive function. Abstinent heroin-dependent individuals reported greater motor impulsivity and experience seeking and showed functional weaknesses in cognitive ability, including impulsivity and distractibility (d = 0.28 to 0.49), but not decision making or working memory. Self-reported impulsivity was uncorrelated with cognitive function. These results suggest underlying brain-related factors in heroin dependence and have implications for therapeutic intervention.
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