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Substance Use and Disorders
Course: Abnormal Psychology (PSY 301)
12 Documents
Students shared 12 documents in this course
University: Eastern Connecticut State University
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Substance Use and Disorders
Substance-related disorders
- Can be:
- Organic impairment resulting from persistent use (i.e., alcohol-abuse, dementia disorder)
- Substance induced mental disorders or syndromes
- In DSM-IV there are two umbrella categories for latter:
- Substance-abuse disorders (milder version, related to abuse but not necessary
dependence)
- Substance dependence disorders (more severe, physiological tolerance or withdrawal)
- In DSM-5 there is just one category: Substance use disorder
What kinds of substances?
- Any psychoactive substances (substances that affect mental functioning in the CNS)
- Includes illegal
- Heroine, cocaine, marijuana
- And legal
- Alcohol, nicotine, caffeine
- Substances that can be prescribed by medical professionals
- Oxycontin, ritalin, valium
Diagnostic criteria for substance-use disorders
- Substance use with at least two of the following within a 12-month period:
- Results in failure to fulfill some major obligation
- Is hazardous
- Results in cravings or urges to use
- Continued use despite persistent or recurrent social problems
- Tolerance
- Withdrawal
- desire/unsuccessful efforts to control use
- Reduced social/occupational/recreational activities
- Continued use despite persistent psych or physical problems
Diagnostic criteria for substance use disorder
- Since there is no longer a distinction between abuse and dependence, how do we rate severity?
- 2-3 symptoms = Mild disorder
- 4-5 symptoms = moderate disorder
- 6 or more = severe disorder
Alcohol use: prevalence, comorbidity, demographics, and alcohol
- 22.6% of americans 12 and older binge drink and 6.8% found to be heavy drinkers
- Shortens lifespan by 12 years
- 13.6% of people ages 12 or older drove under the influence in the past year
- Violent crimes
The clinical picture of alcohol use disorder
- Decreased sexual inhibition, lowered sexual performance
- Lapse in memory (i.e. blackout)
- Intoxication
- Hangover (e.g., headache, nausea, fatigue)