The DOI matches its Crossref record; 74 of the 74 references it cites were found in a registry or an index.
Impulsivity and response inhibition in alcohol dependence and problem gambling
Open accessAbstract
INTRODUCTION: Impulsivity is a central feature of drug addiction and may arise as a result of impaired inhibitory control. The extent to which inhibitory deficits arise as a consequence of drug exposure or relate to pre-existing addiction vulnerability is unknown. MATERIALS AND METHODS: This study compared measures of impulsivity in outpatients with alcohol dependence (n = 23) and problem gambling (n = 21), a putative behavioural addiction where direct effects of drug exposure may be minimal. Healthy controls (n = 27) were also tested, in a cross-sectional design. Subjects completed the stop-signal test as a neurocognitive probe of response inhibition, alongside self-report ratings of impulsivity, adult ADHD and OCD. RESULTS: On the stop-signal test, Go reaction time and stop-signal reaction time were significantly slower in the alcohol-dependent group, compared with healthy controls. Healthy controls slowed their responding after successful and failed stop trials. Slowing after failed stop trials was significantly attenuated in the alcohol-dependent subjects. Go reaction time and post-error slowing were correlated with chronicity and severity, respectively, in the alcohol-dependent subjects. Problem gamblers did not differ significantly from controls on the stop-signal test, despite trait elevations in impulsivity ratings. CONCLUSION: Inhibitory control is impaired in alcohol dependence but occurs in the context of psychomotor slowing. In addition, alcohol-dependent individuals failed to show behavioral adjustment following failed stops. These deficits may represent direct effects of chronic alcohol administration on fronto-striatal circuitry.
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Self-citation
Cited by
Widespread and sustained cognitive deficits in alcoholism: a meta-analysis.
Stavro, K., Pelletier, J., & Potvin, S. (2013) · Addiction Biology · doi:10.1111/j.1369-1600.2011.00418.x · Cited by 594
Deficits in behavioural inhibition in substance abuse and addiction: a meta-analysis.
Smith, J. L., Mattick, R. P., Jamadar, S. D., & Iredale, J. M. (2014) · Drug and Alcohol Dependence · doi:10.1016/j.drugalcdep.2014.08.009 · Cited by 546
Large-scale analysis of test–retest reliabilities of self-regulation measures
Enkavi, A. Z., Eisenberg, I. W., Bissett, P. G., Mazza, G. L., MacKinnon, D. P., Marsch, L. A., & Poldrack, R. A. (2019) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1818430116 · Cited by 489
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Metadata
- Authors
- Lawrence, A. J., Luty, J., Bogdan, N. A., Sahakian, B. J., & Clark, L.
- Venue
- Psychopharmacology
- Published
- 2009-09-03
- Volume
- 207
- Issue
- 1
- Pages
- 163-172
- ISSN
- 0033-3158 (ISSN-L)
- 1432-2072
- OpenAlex
- W2052087363
- Cited by
- 329
- References
- 74
- FWCI
- 11.52
- Type
- journal article
- Language
- en
- Open access
- hybrid
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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