How dopamine is related to norepinephrine and epinephrine?

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:

How is dopamine-related to norepinephrine and epinephrine?
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. Retrieved from the National Institute of Mental Health Web site: http://www.nimh.nih.gov/statistics/1SCHIZ.shtml