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By inhibiting the dopamine transporter, a dopamine reuptake inhibitor increases the body's extracellular concentrations of dopamine, which in turn increases dopaminergic neurotransmission and creates feelings of pleasure or even euphoria. A dopamine reuptake inhibitor has a number of medical applications.
THE PLEASURE CENTRES AFFECTED BY DRUGS. The nucleus accumbens definitely plays a central role in the reward circuit. Its operation is based chiefly on two essential neurotransmitters: dopamine, which promotes desire, and serotonin, whose effects include satiety and inhibition.Many animal studies have shown that all drugs increase the production of dopamine in the nucleus accumbens, while reducing that of serotonin.ocated in the midbrain, at the top of the brainstem, the VTA is one of the most primitive parts of the brain. It is the neurons of the VTA that synthesize dopamine, which their axons then send to the nucleus accumbens.