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. 1968 Jun 28;160(3835):1467-9.
doi: 10.1126/science.160.3835.1467.

Behavioral effects in monkeys of racemates of two biologically active marijuana constituents

C L Scheckel, E Boff, P Dahlen, T Smart

Behavioral effects in monkeys of racemates of two biologically active marijuana constituents

C L Scheckel et al. Science. .

Abstract

Both dl-Delta(8)- and dl-Delta(9)-tetrahydrocannabinol produced marked alterations of behavior in rhesus and squirrel monkeys. Squirrel monkeys appeared to have visual hallucinations. Continuous avoidance behavior of squirrel monkeys was stimulated by both drugs, but high doses of dl-Delta(9)-tetrahydrocannabinol also caused depression after the stimulant phase. Complex behavior involving memory and visual discrimination in rhesus monkeys was markedly disrupted by both drugs.

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