Abnormal Levels of Which Neurotransmitter May Be Involved in Producing

Question

Abnormal levels of which neurotransmitter may be involved in producing the symptoms of ADD?
A) acetylcholine
B) dopamine
C) serotonin
D) GABA

Accepted Answer

Dopamine is the neurotransmitter that has been most strongly linked to ADHD/ADD. Studies have shown that individuals with ADHD have lower levels of dopamine in certain parts of their brain and reduced activity of dopamine receptors. This can lead to difficulties with attention, motivation, and impulsivity.