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Aged non-human primates are a valuable model for gaining insight into mechanisms underlying neural decline with aging and during the course of neurodegenerative disorders. Behavioral studies are a valuable component of aged primate models, but are difficult to perform, time consuming, and often of uncertain relevance to human cognitive measures. We now report findings from an automated cognitive test...
The serotonin 5-HT 3 receptor antagonists ondansetron and SEC-579 were tested over a wide dose range (0.000001-0.5 mg/kg, PO) for cognitive-enhancing effects in aged rhesus monkeys. Animals were tested on the following cognitive and motor tasks: 1) acquisition of a visual object discrimination; 2) reversal of a visual object discrimination; 3) the delayed response task, a spatial working...
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