Who am I? Neurotransmitter Scramble I am generally associated with pain relief A lack of me may be linked to Alzheimer’s disease I activate the reward pathway I am associated with runner’s high The black widow spider’s venom interferes with me I interact with the SSRI’s I am the primary excitatory neurotransmitter I am also known as adrenaline Drugs like heroin increases the my release I am the primary inhibitory neurotransmitter I am associated with learning and memory I am by the brain and adrenal glands I am produced during the “fight or flight” response Lack of me may be associated with Parkinson’s disease Drugs like Zoloft and Paxil are associated with me I am associated with alertness and arousal Too much of me is can be associated with Schizophrenia I am associated with voluntary muscle movements Too much of me may be associated with mania I am associated with mood A lack of me may be treated with L-DOPA I am associated with appetite I have a morphine-like effect on the body Too little of me may be associated with aggressive behavior I am associated feelings of pleasure Malfunctions of me may result in Huntington’s disease I alert the body to danger Valium impacts me I block substance P receptors, which carry messages for pain Low levels of me may be associated with ADHD