July 1979

Interpersonal Effects of MarijuanaA Model for the Study of Interpersonal Psychopharmacology

Author Affiliations

From the Department of Psychiatry, the University of California at San Diego, La Jolla (Drs Janowsky and Judd, and Mr Clopton); the Veterans Administration Hospital, San Diego (Dr Abrams), the Kingston General Hospital, Kingston, Ontario, Canada (Dr Leichner), and the Department of Pharmacology UCLA, Los Angeles (Mr Pechnick).

Arch Gen Psychiatry. 1979;36(7):781-785. doi:10.1001/archpsyc.1979.01780070059006

• The effect of marijuana on affective changes and interpersonal skills, including empathy, acceptance, warmth, and genuineness, was studied in 20 dyadic relationships in which the experimental subject smoked marijuana containing 6 mg of delta-9-tetrahydrocannabinol and a placebo in separate trials. Marijuana caused a relative decrease in the ratings of the interpersonal skills of the experimental subjects and decreased affective resonance between the experimental subjects and their partners.