PSY 251 Chapter Notes - Chapter 16: Nicotinic Acetylcholine Receptor, Recreational Drug Use, Buprenorphine
21 Jul 2016
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Psy251 chapter 16: autistic, attention-deficit, stress, and substance abuse disor- ders. Substance abuse disorders immediate positive reinforcement and reduced/eliminated unpleasant feelings produced by abused drugs (immediate consequences more powerful than long-term consequences) A little background many substances found in nature have medicinal qualities ethyl alcohol is the most universal recreational drug and potentially the first discovered. Positive reinforcement behavior must first be reinforced before dependency occurs. Role in drug abuse greatest effectiveness if reinforcing stimulus occurs immediately after re- sponse occurs strongest reinforcement happens when drugs produce sudden changes in the activity of the reinforcement mechanism. Mch neurons, suppressing appetite) infusion of a drug that blocks orexin receptors into the insula decreases drug- seeking behavior. Thc is the active ingredient in marijuana endogenous cannabinoids in the brain"s site of action is the cb1 receptor administering a drug that blocks this receptor abolishes the high .
