Aniracetam improves radial maze performance in rats

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Abstract
The memory enhancing effect of the pyrrolidinone derivative aniracetam was investigated in rats trained in a delayed-response task in an 8-arm radial maze. Oral administration of aniracetam (100, 200, 400, or 800 mgkg-1) 16 h and again 1 h prior to a first trial of exposure to a given configuration of 4 baited arms resulted in a significant improvement in performance during a second trial in the maze given 3 h later in which there was access to all 8 arms but only the other 4 arms were baited. The pattern of baited arms was varied daily. The performance enhancement was greatest for the highest doses. These results extend the demonstration of the cognition enhancing effects of aniracetam to a spatial memory task in rats.

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