Pramiracetam effects on scopolamine-induced
amnesia in healthy volunteers
Mauri M, Sinforiani E, Reverberi F, Merlo P, Bono G.
Dept. of Neurology, C. Mondino Foundation,
University of Pavia, Pavia, Italy.
Arch Gerontol Geriatr. 1994 Mar-Apr;18(2):133-9.
ABSTRACTPramiracetam 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 intramascularly 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.Piracetam
New brain cells
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