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Rationale Reflection impulsivity—a failure to gather and evaluate information before making a decision—is a critical component of risk-taking and substance use behaviours, which are highly prevalent during adolescence. Objectives and methods The Information Sampling Test was used to assess reflection impulsivity in 175 adolescents (mean age 18.3, range 16.5–20; 55% female)—48 cannabis users (2.3 years...
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...
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