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Comparative Study
. 1984;19(5):321-8.
doi: 10.1016/0531-5565(84)90005-6.

Changes in motor activity with age and the effects of pharmacologic treatment

B Jänicke, D Wrobel
Comparative Study

Changes in motor activity with age and the effects of pharmacologic treatment

B Jänicke et al. Exp Gerontol. 1984.

Abstract

In a previous study the decline in the motor performance of old rats was determined to be differential. In this study, whether, and to what extent, this decline can be pharmacologically influenced was tested. Therefore, 27 month old rats were orally treated with several nootropics and d-amphetamine for six weeks. Food and water intake were determined. The rats were tested on spontaneous activity and on the tilting plane, climbing, and rotarod tests. The results showed that the nootropics only effected pronounced improvements on complex motor tasks such as on the rotarod test. In contrast, amphetamine treatment caused rather negative effects. This could be observed in the motor performance as well as in the food and water intake. Young rats did not have this sort of reaction to amphetamine. The nootropics were all well tolerated. Additionally, it was obvious that the untreated rats also showed a slight improvement in motor performance due to repeated practice.

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