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Year : 1999  |  Volume : 31  |  Issue : 4  |  Page : 285-289

Effects of 5HT3 antagonist ondansetron on learning and memory in rats

Correspondence Address:
K H Reeta

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Source of Support: None, Conflict of Interest: None

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Objectives: To study the effects of 5-HT3 receptor antagonist ondansetron on learning and memory in rats. Methods: Wistar rats were treated with ondansetron in doses of 0.1, 1 and 10 mg/kg, intraperitoneally ( i.p.) and were subjected to the following tests: (1) passive avoidance test (PAT), (2) conditioned avoidance response (CAR) and (3) hole-board test. The latency to enter (LTE) in acquisition (AT) and retention trials (RT) was observed. Results: Ondansetron treated rats showed a significant improvement in the retention trials of PAT and CAR. There was also an increase in the exploratory behaviour of the ondansetron treated rats. Conclusion: Ondansetron produced a significant improvement in learning and memory in rats.


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