Cognitive facilitation by physostigmine and tetrahydroaminoacridine (THA) was compared in two primate models. Disruption of spatial delayed response performance by scopolamine (0.03 mg/kg) was fully reversed by coadministration of 5 doses of physostigmine in the range 0.03-0.08 mg/kg, but by only one dose (4.0 mg/kg) of THA; partial reversal of some effects of scopolamine was observed at 1 and 3 mg/kg of THA. Visual recognition memory was enhanced following treatment with 4 doses of physostig...Expand abstract
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Direct comparison of cognitive facilitation by physostigmine and tetrahydroaminoacridine in two primate models.
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