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Full-Text Articles in Social and Behavioral Sciences
Cannabis-Induced Psychosis-Like Experiences Are Associated With High Schizotypy, Emma Barkus, John Stirling, Richard Hopkins, Shon Lewis
Cannabis-Induced Psychosis-Like Experiences Are Associated With High Schizotypy, Emma Barkus, John Stirling, Richard Hopkins, Shon Lewis
Faculty of Health and Behavioural Sciences - Papers (Archive)
OBJECTIVE: Recent studies have suggested that cannabis use is a risk factor for developing schizophrenia. We tested the hypothesis that cannabis use increases the likelihood of psychosis-like experiences in non-clinical participants who scored highly on a measure of schizotypy. METHOD: The psychological effects of cannabis were assessed in 137 healthy individuals (76% female, mean age 22 years) using a newly developed questionnaire concerned with subjective experiences of the drug: the Cannabis Experiences Questionnaire. The questionnaire has three subscales: Pleasurable Experiences, Psychosis-Like Experiences and After-Effects. Respondents also completed the brief Schizotypal Personality Questionnaire. RESULTS: Cannabis use was reported by 72% of …
Supportive-Expressive Psychotherapy For Cannabis Dependence, Brin F. Grenyer, Nadia Solowij
Supportive-Expressive Psychotherapy For Cannabis Dependence, Brin F. Grenyer, Nadia Solowij
Faculty of Health and Behavioural Sciences - Papers (Archive)
Supportive–expressive (SE) dynamic psychotherapy forms one variation of a number of psychotherapies that emphasize the importance of effective interpersonal relationships for psychological health (Grenyer, 2002a). The overall goal of SE psychotherapy is to help the client achieve mastery over their difficulties, gain self-understanding, and practice self-control over habitual drug use and related problems. From this framework, cannabis dependence is understood within the context of the client's interpersonal relationships, work, and social problems. The theory behind the SE approach emphasizes the formative influence of life experiences on the development of personality and on the genesis of problems, including habitual cannabis use. …
The Adverse Health And Psychological Consequences Of Cannabis Dependence, Wayne Hall, Nadia Solowij
The Adverse Health And Psychological Consequences Of Cannabis Dependence, Wayne Hall, Nadia Solowij
Faculty of Health and Behavioural Sciences - Papers (Archive)
People who become dependent on cannabis are more likely than infrequent users to experience any of the adverse health effects that are caused by chronic cannabis use. Dependent cannabis use is rare in comparison with the more prevalent pattern of experimental and intermittent use (Bachman et al., 1997), but it may nonetheless affect as many as 1% of adults in the USA and Australia in any 1 year (Anthony et al., 1994; Hall et al., 1999a). Dependent cannabis users typically smoke two or more cannabis cigarettes a day over periods of years or decades in a minority …