Effects of Lysergic Acid Diethylamide (LSD-25) on Intellectual Functions
- 1 October 1958
- journal article
- other
- Published by American Medical Association (AMA) in Archives of Neurology & Psychiatry
- Vol. 80 (4) , 477-480
- https://doi.org/10.1001/archneurpsyc.1958.02340100077018
Abstract
I. Memory Introduction. —The results of previous studies of the effect of lysergic acid diethylamide (LSD-25) on memory suggest that the minimal dose level at which impairment becomes evident lies somewhere between 50μg. and 100μg. Sloane and Lovett Doust,1working at the 40μg. level, and Jarvik et al.,2working at the 50μg. level, found little or no evidence of memory impairment in their studies. However, the latter investigators reported that when the dose level was raised to 100μg., scores were significantly lower on four of the five visual tests and on two of the four auditory tests that they employed. Bercel et al.,3who used 1μg/kg. body weight, also found evidence of impairment, but they studied memory for only one kind of material, a series of unrelated test words. The purpose of the present study was to determine whether memory for various kinds of material is differentiallyKeywords
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