Nootropyl (Piracetam) a drug reported to facilitate learning in animals was tested for its effect on man by administering it to normal volunteers. The subjects were given 3×4 capsules at 400 mg per day, in a double blind study. Each subject learned series of words presented as stimuli upon a memory drum. No effects were observed after 7 days but after 14 days verbal learning had significantly increased.
This is a preview of subscription content, log in to check access.
Buy single article
Instant access to the full article PDF.
Price includes VAT for USA
Subscribe to journal
Immediate online access to all issues from 2019. Subscription will auto renew annually.
This is the net price. Taxes to be calculated in checkout.
Carrol, J. B., Davies, P., Richman, B.: The american heritage. Boston: Haughton Mifflin 1971
Guirgea, C.: The pharmacology of piracetem (UCB 6215]: A nootropic drug. Report UCB-Pharm. Division. DRDM, rue Berkendael 58, Brussels, Belgium (1971)
Guirgea, C.: The nootropic approach to the pharmacology of the integrative action of the brain. Conditional Reflex 8, 108–115 (1973)
Kirk, R. E.: Experimental design: Procedures for the behavioral sciences. Belmont, California: Brooks Cole 1968
Loranger, A. W., Goodell, H., Lee, J. E., McDowell, F.: Levadopa treatment of Parkinson's syndrome. Improved intellectual functioning. Arch. gen. Psychiat. 26, 163–168 (1972)
Peterson, L. R., Peterson, M. J.: Short-term retention of individual verbal items. J. exp. Psychol. 58, 193–198 (1959)
Stegnick, A. J.: The clinical use of piracetam; a new nootropic drug. The treatment of symptoms of senile involution. Arzneimittel-Forsch. (Drug. Res.) 22, 975–977 (1972)
Thiebauld, C.: Improvement of intellectual performance: Contribution of a specific cortical therapy. Paper delivered to the 38th Congress of Medicine. Bayrouth, 1971
Waugh, N. C.: Two methods for testing serial memorization. J. exp. Psychol. 65, 215–216 (1963)
Weckroth, J., Mikkonen, H.: On the effect of UCB 6215 on certain intellectual, perceptual and psychomotor performance traits and traits of subjectively rated mental state. Communication of the 30th Int. Congress on Alcoholism and Drug Dependence, Sept. 1972, Amsterdam, The Netherlands
Visiting fellow from Rijksuniversitier te Leiden supported by the European programme for training in brain and behaviour research.
About this article
Cite this article
Dimond, S.J., Brouwers, E.Y.M. Increase in the power of human memory in normal man through the use of drugs. Psychopharmacology 49, 307–309 (1976). https://doi.org/10.1007/BF00426834
- Normal human