Journal article

Verbal learning and memory in adolescent cannabis users, alcohol users and non-users

Nadia Solowij, Katy A Jones, Megan E Rozman, Sasha M Davis, Joseph Ciarrochi, Patrick CL Heaven, Dan I Lubman, Murat Yuecel

Psychopharmacology | SPRINGER | Published : 2011

Abstract

RATIONALE: Long-term heavy cannabis use can result in memory impairment. Adolescent users may be especially vulnerable to the adverse neurocognitive effects of cannabis. OBJECTIVES AND METHODS: In a cross-sectional and prospective neuropsychological study of 181 adolescents aged 16-20 (mean 18.3 years), we compared performance indices from one of the most widely used measures of learning and memory--the Rey Auditory Verbal Learning Test--between cannabis users (n=52; mean 2.4 years of use, 14 days/month, median abstinence 20.3 h), alcohol users (n=67) and non-user controls (n=62) matched for age, education and premorbid intellectual ability (assessed prospectively), and alcohol consumption f..

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Grants

Awarded by National Health and Medical Research Council of Australia


Awarded by Australian Research Council


Awarded by National Health and Medical Research Council


Funding Acknowledgements

This research was supported by grants from the National Health and Medical Research Council of Australia ( Grants 459111, 514604) and the Australian Research Council ( Grants LP0453853, DP0878925). The authors have full control of the data and the study concept and design, and have no conflicts of interest to declare. Dr Yucel is supported by a National Health and Medical Research Council Clinical Career Development Award (Grant 509345). We thank Dr Peter Leeson and Robert Battisti for assistance with project management.