Which statement is TRUE regarding dopamine?
A) High levels of dopamine are related with symptoms of autism.
B) Low levels of dopamine are related with symptoms of Parkinson's disease.
C) Dopamine makes activities like sex and eating less pleasurable.
D) Dopamine was the first neurotransmitter to be discovered.

Question

Quizplus · Accepted Answer

Low levels of dopamine are related with symptoms of Parkinson's disease. Parkinson's disease is caused by the degeneration and death of dopamine-producing neurons in the brain. Treatment for Parkinson's disease often involves increasing dopamine levels in the brain.

A) Incorrect - High levels of dopamine are not related to symptoms of autism. The exact cause of autism is still unknown, but it is believed to involve a combination of genetic and environmental factors. 
C) Incorrect - Dopamine is often referred to as the "feel-good" neurotransmitter and is associated with pleasure and reward. It is released during activities such as eating, sex, and drug use, which are generally considered pleasurable. 
D) Incorrect - While dopamine was one of the first neurotransmitters to be discovered, it was not the very first. Acetylcholine and norepinephrine were discovered prior to dopamine.

Which Statement Is TRUE Regarding Dopamine