Sara Fraioli

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We have previously reported that intravenous (i.v.) administrations of 0.5-1.0 mg/kg of amphetamine in the absence of any environmental stimuli predictive of drug administration failed to induce psychomotor sensitization whereas the same drug did produce robust sensitization when given in association with environmental novelty. These results were obtained(More)
RATIONALE We have previously shown that environmental novelty enhances the behavioral activating effects of amphetamine and amphetamine-induced expression of the immediate early gene c-fos in the striatal complex, particularly in the most caudal portion of the caudate. In contrast, we found no effect of novelty on the ability of amphetamine to induce(More)
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