The Effect of Lysergic Acid Diethylamide (L.S.D.) on Size Constancy
Canadian Psychiatric Association Journal October 1, 1959 DOI: 10.1177/070674375900400409
Summary
AI-generated from the abstractAn experiment on size constancy with 18 volunteers who each took 35 micrograms of LSD found that the drug increased the variability of each individual's performance. Participants served as their own controls. The effect of LSD was an increase in the variability of performance for each person.
Study at a glance
| Characteristics | Experiment Peer reviewed |
|---|---|
| Sample size | 18 |
| Population | Volunteers |
| Dose | 35 gamma |
| Citations | 3 |
| Key finding | LSD increased the variability of each individual's performance in a size constancy task. |
Abstract
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.