Section: AP Psychology

37) A deficit of this neurotransmitter is present in people with Parkinson's Disease.

1. acetylcholine
2. dopamine
3. serotonin
4. endorphins
5. norepinephrine
6. No Answer Selected

Dopamine levels are associated with two debilitating diseases.  An excess of dopamine is seen in individuals with schizophrenia, while a deficiency of dopamine is seen in individuals with Parkinson's disease.