1. An experiment of size constancy has been carried out on 18 volunteers who took 35 gamma of L.S.D.
2. The subjects served as their own controls.
3. The effect of L.S.D. was an increase of the variability of performance of each individual.
References
1.
BoardmanW. K., GoldstoneS., LhamonW. T.Effects of Lysergic Acid Diethylamide (L.S.D.) on the Time Sense of Normals.A.M.A. Archives Neurol. and Psychiatry,78: 3, 1957.
2.
CrookesT. G.Size Constancy and Literalness in Rorschach Test.Brit. J. Med. Psychol.,30: 99. 1957.
3.
LhamonT. W., and GoldstoneS.The Time Sense-Estimation of One Second Duration by Schizophrenic Patients.A.M.A. Archives Neurol. and Psychiatry,76: 625, 1956.
4.
OsmondH. F., and SmythiesJ.Schizophrenia: A New Approach.J. Ment. Sci.,98: 309, 1952.
5.
RaushH. L.Perceptual Constancy in Schizophrenia.J. Person,46: 131, 1951.
6.
RaushH. L.Object Constancy in Schizophrenia: The Enhancement of Symbolic Objects and Conceptual Stability.J. Abnor. an Soc. Psychol.,52: 2, 1956.
7.
SnedecorG. W.Statistical Methods.The Iowa State College Press, Ames, Iowa, 1946, pp 60–61.
8.
WeckowiczT. E.Size Constancy in Schizophrenic Patients.J. Ment. Sci.,103: 432, 1957.