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Canada (161,583)
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PSYC 3390 (102)
Chapter 12

Abnormal Psychology Chapter 12

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Department
Psychology
Course
PSYC 3390
Professor
Mary Manson
Semester
Fall

Description
Chapter 12 12/4/2012 6:41:00 PM Alcohol Abuse and Dependency - 12 percent prevalence - life span is 12 years shorter - alcohol is leading cause of death among young people - 40% of Canadian teens killed in motor vehicle accidents have alcohol in their system - 27% of male suicides and 17 percent of female suicides involve alcohol - lowers performance on cognitive tasks like problem solving - brain shrinkage occurs in a high proprortion of people with alcohol dependence especially among binge drinkers - 37% of abusers suffer from atleast one other mental disorder - depression is highest - alcohol abuse occurs in high frequency among individuals with personality disorders - alcohol abuse is associated with 40 to 50 percent of all murders and 50 percent of rapes - a binge drinker is someone who reports consuming 5 or more drinks for men or 4 or more for women on one occasion during the preceding two week period - 30% for students reported binge drinking in the preceding two weeks - marriage, higher levels of education and being older are associated with alcoholism - at lower levels, alcohol stimulates certain brain cells and activates the brains pleasure areas, at higher level, alcohol depresses brain functioning, inhibiting one of the brains excitatory neurotransmitters, glutamate, which slows down activity in parts of the brain - when blood alcohol level reachs approx.. 05 the entire neural balance is upset and the individual passes out; .55 is usually lethal - criteria for substance dependence: at least tree of the following over 12 months: tolerance is a need for increased amounts to achieve intox. or diminished effect with continued use of the same amount of substance/withdrawal symptoms or substance is taken to relieve or avoid withdrawal symptoms/substance is taken in larger amounts or over a longer period than was intended/persistent desire or bad effort to cut down or control abuse/great deal of time spent engaging in activities necessary to obstain substance, use it or recover orm it/person has given up or reduced amont of important social, etc acitivites because of use/continued use despite persistent or recurrent physical or psychological problems caused by the substance - criteria for substance-abuse disorder: atleast 1 over 12 months: recurrent substance use that results in failure to fulfill some major obligations/ruccurent use in situations where it is physically hazardous/recurrent substance related legal problems/continued use despite social or interpersonal problems it causes and b. person never had symptoms or problems that have met the criteria
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