Explain chemicals and chemical pathways of the nervous system: Dopamine, Norepinephrine, Acetylcholine, Serotonin, GABA, Glutemate, Endorphins. (Discuss the specific effects on the neurotransmitters in each category.) It is important to be thoughtful with your written responses, be careful with your use of language (grammar punctuation, spelling, profanity, etc.), and don’t be afraid to end your responses with probing questions.