Dopamine refers to neurotransmitter whose generalized function is to activate other neurotransmitters and to aid in exploratory and pleasure-seeking behaviors (thus balancing serotonin ). A relative excess of Dopamine is implicated in Schizophrenia. Deficit of Dopamine is involved in Parkinson’s disease.
Other /More definition:
Dopamine refers to a neurotransmitter in the brain, excess amounts of which have been thought to cause Schizophrenia. It is a neurotransmitter whose generalized function is to activate other neurotransmitters and to aid in exploratory and pleasure-seeking behaviors, hence balancing Serotonin. A relative excess of Dopamine is implicated in Schizophrenia. although contradictory evidence suggests the connection is not simple, and its deficit is involved in Parkinson’s disease. Moreover, Dopamine refers to a neurotransmitter in the brain that is involved with movement and reward or has an important role in the organization of motor behavior; neurotransmitter that is especially important in mediating the reward associated with taking psychoactive drugs

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