Cilene R R Alves

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The selective serotonin reuptake inhibitor fluoxetine (FLX) is widely prescribed for depression and anxiety-related disorders. On the other hand, enhanced serotonergic transmission is known to be classically related to anxiety. In this study, the effects of acute (5.0 mg/kg) and chronic (5.0 mg/kg, 22 days) FLX were investigated in both food-deprived and(More)
The action of the atypical antipsychotic risperidone on latent inhibition (LI), an animal model of schizophrenia, was investigated. The parameters of the procedure were set at values insufficient to generate LI in control rats. On the first day, rats administered 0.5, 1.0, or 2.0 mg/kg ip risperidone or vehicle were preexposed (PE) to 10 tone presentations.(More)
The effects of fencamfamine (FCF), an indirect dopamine (DA) agent, were investigated using the latent inhibition (LI) model of schizophrenia. In the LI procedure, rats preexposed (PE) to an unreinforced stimulus show difficulty in subsequent learning of an association in which that stimulus is predictive of an unconditioned stimulus (US). FCF (1.75, 3.5(More)
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