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Sensitization of midbrain dopamine neuron reactivity and the self-administration of psychomotor stimulant drugs. The role of nucleus accumbens dopamine in motivated behavior: In an effort to reconcile apparent discrepancies in the literature, this review assesses conditions that might affect the expression of sensitization during testing. Drug-paired and drug-unpaired cues may differentially influence drug-induced DA responsivity in these two groups. Morphine-induced attenuation of morphine tolerance.

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Conditioned cues and the expression of stimulant sensitization in animals and humans

Lack of tolerance or reverse tolerance of locomotor activity. Pharmacological and temporal characteristics. Co-administration of either a selective D1 or D2 dopamine antagonist with methamphetamine prevents methamphetamine-induced behavioral sensitization and neurochemical change, studied by in vivo intracerebral dialysis. Making Montgomery Clift Salman Khan gives helping hand to father while playing with nephew Ahil Sharma. An incentive-sensitization theory of addiction. Extinction and retardation of tolerance to the suppressing effects of morphine in locomotor activity.

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