K Iwinska

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Several reports have indicated that the brain serotonergic 5-HT3 receptors are involved in at least some central effects of ethanol in rats. However, using an operant drug discrimination procedure, we have shown that these receptors are not primarily involved in the discriminative stimulus effects of ethanol. The aim of the present study was to further(More)
The effect of the lesion of central serotonergic neurons by 5,7-dihydroxytryptamine (5,7-DHT), on ethanol-induced taste and place aversion conditioning was studied in male Wistar rats. Control biochemical analysis revealed that 5,7-DHT (250 micrograms per rat, free base, i.c.v.) produced marked and selective depletion of serotonin (5-HT) in the hippocampal(More)
Rats were trained to discriminate between ethanol (1.0 g/kg; 10% v/v) and saline under a fixed ratio 10 schedule of sweetened milk reinforcement. Both diazepam [nonselective, full benzodiazepine (BZ) receptors agonist] and bretazenil (nonselective, partial BZ receptor agonist) produced dose-dependent ethanol-appropriate responding (>75%). Neither diazepam(More)
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