we are discussing how specific neurotransmitters effect behavior. In the brain, most excitatory communication in synapses occurs by way of glutamate and most inhibitory communication occurs by way of gamma-aminobutyric acid. In general terms, describe what the other neurotransmitters do. Discuss 4 neurotransmitters and how each effects human behavior and functioning . Use clear examples. Expected word-count for substantive participation is between 175-275 words. Add at least 1 reference, edit for grammar/spelling, and check for plagiarism. It is encouraged to bring in outside supplemental resources for review (please use a reputable internet site). Optional resource: NIMH (2015). Brain Basics. Retrieved from https://www.nimh.nih.gov/brainbasics/index.html.