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The Effect on Personality of Reactivity to 1,2-Dimethyl-heptyl Tetrahydrocannabinol
MAJ Jack A. Klapper, MC;
ILT Michael A. McColloch, MSC;
Fred R. Sidell, MD
Arch Gen Psychiatry. 1972;26(5):483-485.
Abstract
Forty Army volunteers were given a synthetic tetrahydrocannabinol (THC) compound similar in structure and physiological activity to the active component of marihuana. Significant relationships were found between the personalities of these volunteers as measured by the Minnesota Multiphasic Personality Inventory (MMPI) and the Army General Intelligence Test (GT), and performance on objective tests following administration of this compound. Several MMPI scales and the GT score appeared to be as strongly correlated with performance as was the dose level. MMPI and GT test interpretation of subjects resistant to the performance impairment caused by this compound showed them to be more intelligent, adventurous, and more hostile and aggressive than sensitive subjects. A possible explanation for continued use of marihuana by certain personality types is offered.
Author Affiliations
USA; USA; Edgewood Arsenal, Md
From the Clinical Investigations Branch, Clinical Medical Sciences Department, Medical Research Laboratory, Research Laboratories, Edgewood Arsenal, Md. Dr. Klapper is currently at the University of Colorado Medical Center, Denver.
Footnotes
Accepted for publication Oct 18, 1971.
Reprint requests to 177 Humboldt St, Denver 80218 (Dr. Klapper).
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES
Marihuana and Social Behavior: A Controlled Study
Galanter et al.
Arch Gen Psychiatry 1974;30:518-521.
ABSTRACT
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