Functions of neurotransmitters

Pick 1 neurotransmitters out of this list (acetylcholine, dopamine, norepinephrine, serotonin, glutamate, or GABA)  and discuss their functions, as well as the brain areas they originate in and/or affect. After describing this, talk about 1 drug that affects each of these neurotransmitters. You should describe how the drug affects the neurotransmitter and the effects it produces in the body. Be sure to use complete sentences when answering this question.