Abstract
The effects of two choline pivaloyl esters, [2-(2,2-dimethylpropionyloxy)ethyl]trimethylammonium iodide ( 1) and [2-(2,2-dimethylpropionyloxy)ethyl]trimethylammonium 2,2-dimethylpropionate ( 2), on learning and memory impairments induced in rats by scopolamine or lesions of nucleus basalis magnocellularis (NBM) have been evaluated by object recognition and Morris water maze tests in comparison with Tacrine (THA). Both 1 and 2 restored discrimination in object recognition test for assessing working-episodic memory and improved spatial memory in scopolamine or NBM-lesioned rats as well. The positive effects produced by 1 and 2 on cognitive and memory deficits were well comparable with those evoked by THA, used as reference compound.
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