| ORIGINAL ARTICLE |
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| Year : 2019 | Volume
: 24
| Issue : 2 | Page : 113-119 |
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Cognitive functions in alcohol use and cannabis use disorder: A cross-sectional study
Ottilingam Somasundaram Ravindran1, G Nandini2, Natarajan Shanmugasundaram1, V Vivian Kapil1
1 Department of Psychiatry, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India
2 Department of Clinical Psychology, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India
Correspondence Address:
Ottilingam Somasundaram Ravindran
No. 30 (New No. 17), 23rd Cross Street, Besant Nagar, Chennai - 600 090, Tamil Nadu
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/jmhhb.jmhhb_66_19
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Background and Aim: Alcohol and cannabis misuse have an impact on neurocognition. This cross-sectional study evaluated the neuropsychological performance of individuals with alcohol dependence and cannabis dependence with concomitant alcohol use. Materials and Methods: We recruited individuals with alcohol dependence (n = 21) and cannabis dependence with concomitant alcohol use (n = 17) and age being 18–60 years as per the International Classification of Diseases-10th revision criteria. Convenience sampling was done. All the participants were evaluated by a comprehensive neuropsychological battery. Comparisons involving neuropsychological measures were performed using Mann–Whitney U-test. Results: Participants with cannabis dependence with co-occurring alcohol use showed significantly poorer performance than the participants with alcohol dependence on tasks assessing processing speed, working memory, verbal learning and memory, visuospatial ability, and language skills Conclusions: Participants with cannabis dependence with co-occurring alcohol use exhibited poorer cognitive performance on several neuropsychological measures than the participants with alcohol dependence. Age, duration, and early age of cannabis use initiation have no links with cognitive performance in the cannabis + alcohol group.
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