Describe the role that dopamine plays in Parkinson's disease, schizophrenia, reward learning, and drug addiction.

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The Answer is The answer should indicate that dopamine is a neurotransmitter that regulates motor behavior, motivation, pleasure, and emotional arousal. People with severely depleted levels of dopamine suffer from Parkinson's disease. High levels of dopamine have been linked to schizophrenia. Dopamine release during a pleasurable event allows the individual to associate the event with the behavior that produced it. Thus, dopamine release during a pleasurable drug high may strengthen the drug-taking behavior and lead to addiction.

Describe the Role That Dopamine Plays in Parkinson's Disease, Schizophrenia