Auditory and visual thresholds were measured before and after smoking marihuana (Cannabis sativa L.) for 20 experienced Ss. Marihuana was administered until S reported experiencing a “high.” Results indicated no effect on visual acuity, whereas one of three auditory measurements differentiated between marihuana and control Ss.
Get full access to this article
View all access options for this article.
References
1.
CaldwellD. F.MyersS. A.DominoE. F., & MerriamP. E.Effects of marihuana smoking on sensory thresholds in man. Irvine, Calif.: N.I.M.H., 1969, in press. (Psychotomimetics Workshop Series)
2.
CrancerA.DilleJ. M.DelayJ. C.WallaceJ. E., & HaykinM. D.A comparison of the effects of marihuana and alcohol on simulated driving performance. Science, 1969, 164, 851–854.
3.
GuilfordJ. P.Psychometric methods. New York: McGraw-Hill, 1954.
4.
MyersS. A., & CaldwellD. F.The effects of marihuana on auditory and visual sensation. Mich. ment. Hlth Res. Bull., 1969, 3, 20–22. (a)
5.
MyersS. A., & CaldwellD. F.The effects of marihuana on auditory and visual sensation: a preliminary report. New Physician, 1969, 18, 212–215. (b)
6.
WalkerH. M., & LevJ.Statistical inference. New York: Holt, 1953.
7.
WeilA. T.ZinbergN. E., & NelsonJ. M.Clinical and psychological effects of marihuana in man. Science, 1968, 162, 1234–1242.
