PSYCH 330 Lecture Notes - Corticotropin-Releasing Hormone, Binge Drinking, Morphine
11 Apr 2014
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Document Summary
Abuse pattern of drug use in which people rely on drug chronically and excessively, allowing it to occupy a central place in their lives. Dependence known as addiction, people are physically dependent on drug in addition to abusing it. Tolerance has built up so increased doses required to obtain desired effect: intoxication serotonin & dopamine in alcohol flood brain, tolerance a decrease in response to a drug with the passage of time. Causes user to need to consume more of the substance to achieve same effect: withdrawal. Physical vs emotional: physical sweating, racing heart, palpitations, muscle tension, tightness in chest, difficulty breathing, tremor, nausea, vomiting, diarrhea, emotional anxiety, restlessness, irritability, insomnia, headaches, poor concentration, depression, social isolation. Motivational : abstinence refraining from the use of drugs or alcohol, mechanisms of action: amphetamines releases dopamine & neuroepinepherine, blocks dopamine reuptake cocaine same as emphetamines. Mdma (ecstasy) stimulates serotonin release & blocks its reuptake.
