In Part 1, you addressed the role of dopamine in the underlying cause of Parkinson’s Disease and its treatment. Dopamine is also implicated in 2 other disorders, schizophrenia and attention deficit hyperactivity disorder (ADHD).

According to the National Institute of Mental Health (2012), schizophrenia is a severe disorder affecting 1% of the population. Although it is not as disabling, ADHD affects approximately 9% of elementary school children.

For both conditions, the neurotransmitter dopamine has been implicated. Discuss the following:

Explain the role of dopamine in the symptoms of each disorder as well as treatment approaches.

How is dopamine related to norepinephrine and epinephrine?

What other roles does dopamine play in other nervous systems in the following nervous system functions?

Learning and memory

Reinforcement

Addiction

Sexual behavior

Provide at least 2 references from scientific research. In-text citations and the reference list should follow APA format.

Reference

National Institutes of Health (n.d.). Schizophrenia. National Institute of Mental Health. https://www.nimh.nih.gov/health/statistics/schizophrenia