Drug-Personality Interaction in the Learning of a Nonsense Syllable Task
DiMascio, et al. have demonstrated that drugs produce differential effects in two personality types. The effects of three drugs (chlorpromazine, trifluoperazine, and secobarbital) on learning (nonsense syllables) were examined in individuals pre-selected according to the criteria set forth by DiMascio, et al. Drugs improved learning in one personality type only. The importance of drug-personality interaction in psychopharmacologic studies is stressed.