The psychobiology of traumatic memory. Clinical implications of neuroimaging studies.
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Biomedical subjects
Publications and source records attributed to B A Van Der Kolk.
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In a research group setting, marijuana increased social-emotional interpersonal communication and decreased task-oriented behavior. Following a frustration stimulus, groups of marijuana smokers appeared nonintoxicated and showed improvement in consensus problem solving. Interpersonal behavior with marijuana may depend in part, on the presence or absence of demand characteristics for task performance. Creativity in group problem solving was not improved by marijuana.
The authors used several indices to assess the relationship between marijuana and hostility as both inner affect and verbal behavior in a small-group setting. Marijuana subjects reported a small but statistically significant decrease in hostile feelings after the introduction of a frustration stimulus. They also showed significantly less verbal hostility than placebo subjects both before and after introduction of a frustration stimulus. The authors note that research findings on marijuana and hostility are not consistent and suggest a multidetermined relationship based on dose, environment, nature of the frustration stimulus, and intraindividual factors.