Abstract:Δ9-Tetrahydrocannabinol was administered to rats with basolateral amygdaloid lesions, control rats, and normal rats in doses of 0.75, 1.5, and 3.0 mg/kg i.v. They were trained in a one-session two-way active avoidance task. Δ9-Tetrahydrocannabinol increased the percentage of avoidances and the intertrial crossing rates in all groups, regardless of lesion treatment. Rats with basolateral amygdaloid lesions were not different from controls on any measure. In a second experiment, Δ9 Show more
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