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. 1988 May;21(2):147-52.
doi: 10.1016/0376-8716(88)90061-0.

Cannabis and cognitive functions: a prospective study

V K Varma  1 , A K Malhotra, R Dang, K Das, R Nehra
Affiliations

Cannabis and cognitive functions: a prospective study

V K Varma et al. Drug Alcohol Depend. 1988 May.

Abstract

Psychological tests measuring intelligence, memory and other cognitive functions were given to 26 heavy cannabis users (mean duration of cannabis use 6.76 years; average daily intake 150 mg THC). Compared with a control group, the cannabis users were found to react slowly in perceptuo-motor tasks, but not to differ in intelligence or memory tests. The users suffered disability in personal, social and vocational areas and indicated higher psychoticism and neuroticism scores.

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