## Abstract The effects of a carnitine derivative, acetylβLβcarnitine (ALCAR), on the cognitive and cholinergic activities of aging rats were examined. Rats were given ALCAR (100 mg/kg) per os for 3 months and were subjected to the HebbβWilliams tasks and a new maze task, AKONβ1, to assess their le
Escape learning: Acquisition and extinction rates as a function of age in rats
β Scribed by Garry J. Egger
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- English
- Weight
- 452 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0012-1630
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The fraction of cells capable of division was determined for 1) population of the human diploid cell strains, W138 after different numbers of subcultivations in uitro and 2 ) a single population of W138 cells at intervals throughout its entire in vitro lifespan. In both cases the percentage of cells