The present study investigated the effects of (a) E-provided “information” about the effects of to-be-smoked marijuana, (b) Ss' extreme performance on the Barber Suggestibility Scale, and (c) marijuana in 60 marijuana-experienced Ss on selected cognitive tasks and subjective evaluations of drug potency. Greater cognitive impairment was expected in a misinformed highly “suggestible” group than in a low “suggestible” group. The results indicate a significant post-marijuana deficit on some tasks not sensitive to effects of “suggestibility” or “information.”
Get full access to this article
View all access options for this article.
References
1.
AbelE.Marijuana and memory. Nature, 1970, 227, 1151–1152.
2.
BarberT. X.CalverleyD. S.Hypnotic behavior as a function of task motivation. Journal of Psychology, 1962, 54, 363–389.
3.
BarberT. X.GlassL. B.Significant factors in hypnotic behavior. Journal of Abnormal and Social Psychology, 1962, 64, 227–228.
4.
BarrattE.BeaverW.WhiteR.BlakeneyP.AdamsP.The effects of the chronic use of marijuana on sleep and perceptual-motor performance in humans. In LewisM. (Ed.), Current research in marijuana. New York: Academic Press, 1972. Pp. 163–193.
5.
BurnsK. S.HammerG.Hypnotizability and amenability to social influence. Paper presented at the meeting of the Society of Clinical and Experimental Hypnosis, Philadelphia, October, 1970.
6.
CarlinA. S.BakkerC. B.HalpernL.PostR. D.Social facilitation of marijuana intoxication: impact of social set and pharmacological activity. Journal of Abnormal Psychology, 1972, 80, 132–140.
7.
ClarkL. D.HughesR.NakashimaE. H.Behavioral effects of marijuana. Archives of General Psychiatry, 1970, 23, 193–198.
8.
ClarkL. D.NakashimaE. H.Experimental studies of marijuana. American Journal of Psychiatry, 1968, 125, 379–383.
9.
HilgardE. R.The domain of hypnosis: with some comments on alternative paradigms. American Psychologist, 1973, 28, 972–982.
10.
HollisterL. E.Marijuana in man: three years later. Science, 1971, 172, 21–29.
11.
HollisterL. E.GillespieH. K.Marijuana, ethanol, and dextroamphetamine. Archives of General Psychiatry, 1970, 23, 199–203.
12.
JonesR. T.StoneG. C.Psychological studies of marijuana and alcohol in man. Psychopharmacologia, 1970, 18, 108–117.
13.
KlonoffH.LowM.MarcusA.Neuropsychological effects of marijuana. Canadian Medical Association Journal, 1973, 108, 150–165.
14.
LangA. R.GoecknerD. J.AdessoV. J.MarlattG. A.The effects of alcohol on aggression in male social drinkers. Journal of Abnormal Psychology, 1975, 84, 508–518.
MelgesF. T.TinklenbergJ. R.HollisterL. E.GillespieH. P.Temporal disintegration and depersonalization during marijuana intoxication. Archives of General Psychiatry, 1970, 23, 204–210. (b)
18.
MendelsonJ. H.RossiA. M.MeyerR. E.The use of marihuana: a psychological and physiological inquiry. New York: Plenum Press, 1974.
19.
RuchJ. C.MorganA. H.HilgardE. R.Behavioral predictions from hypnotic responsiveness scores when obtained with and without prior induction procedures. Journal of Abnormal Psychology, 1973, 82, 543–546.
20.
TartC.On being stoned: a psychological study of marijuana intoxication. Palo Alto, Calif.: Science and Behavior Books, 1971.
