What neurotransmitter is involved in schizophrenia, Parkinson's disease, and drug addiction?
A) glutamate
B) dopamine
C) norepinephrine
D) acetylcholine

Question

Quizplus · Accepted Answer

Dopamine is the neurotransmitter involved in schizophrenia, Parkinson's disease, and drug addiction. In schizophrenia, it is believed there is an overactivity of dopamine, while in Parkinson's disease, there is a deficiency of dopamine. Drug addiction often involves the dopamine system as well, particularly in the reward pathways of the brain.

What Neurotransmitter Is Involved in Schizophrenia, Parkinson's Disease, and Drug