Chapter 11: Fundamentals of the Nervous System and …

DA seems to be the neurotransmitter involved in addiction to heroin, methamphetamines, cocaine, marijuana, alcohol, nicotine, caffeine. Cocaine prevents DA reuptake. Norepinephrine (NE) Found in brain and secreted by sympathetic nervous system. Affects mood. Low levels are associated with depression. Methamphetamines (speed) - prevents NE reuptake ................
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