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Pramiracetam effects on scopolamine-induced amnesia in healthy volunteers


Pramiracetam effects on scopolamine-induced amnesia in healthy volunteers



Archives of Gerontology and Geriatrics 18(2): 133-139



ISSN/ISBN: 0167-4943

PMID: 15374306

DOI: 10.1016/0167-4943(94)00542-7

Pramiracetam has been evaluated for its potential antiamnesic properties in scopolamine-induced amnesia in healthy volunteers. Two groups of twelve males, 18-42 and 55-65 years old, respectively, were randomly assigned to oral treatment with pramiracetam (600 mg twice a day) or with placebo for 10 consecutive days. On day 11 each subject was injected intramuscularly with scopolamine hydrobromide (0.5 mg). Before scopolamine injection and then 1, 3 and 6 h after it, subjects were administered the following psychometric tests: simple and choice visual reaction times, digit symbol substitution test, Rey's 15 words test for short and long term verbal memory. Scopolamine significantly impaired episodic memory and selective attention tests in both scopolamine and placebo groups. Instead visuo-motor and incidental learning measures were unaffected. Pramiracetam, when compared to placebo, was able to partially reduce the amnesic effects induced by scopolamine both in young and old subjects.

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Accession: 009224795

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