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1: Behav Pharmacol. 2002 May;13(3):237-42. Related Articles, Links
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Impaired spatial learning in the Morris water maze induced by serotonin reuptake inhibitors in rats.

Majlessi N, Naghdi N.

Department of Physiology and Pharmacology, Pasteur Institute of Iran, Pasteur Ave., Tehran 13164, Iran.

The effects of selective serotonin reuptake inhibitors citalopram and fluoxetine on spatial learning were assessed in rats. Adult male rats were subjected to 4 days of training in the Morris water maze with the invisible platform. Animals received different doses of citalopram (1-8 mg/kg; i.p.) or fluoxetine (1-16 mg/kg; i.p.) or their vehicles (saline or distilled water respectively) 30 minutes before training each day. The results showed that citalopram at doses of 4 and 8 mg/kg and fluoxetine at doses of 8 and 16 mg/kg significantly increased latencies to find the platform and traveled distances compared to the control group. Therefore, it appears that selective serotonin reuptake inhibitors can cause learning deficits in complex spatial tasks such as Morris water maze. Copyright 2002 Lippincott Williams & Wilkins.

PMID: 12122314 [PubMed - indexed for MEDLINE]