PSY 220 - Lecture 11

PSY 220 - Lecture 11 - Learning Objectives...

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Substance-Related and Impulse-Control Disorders Q UIN 1 Chapter 11 Learning Objectives Describe the nature of substance- related disorders Describe the psychological effects of these substance 2 these substances Describe substance-dependence Describe the treatment and prevention of these disorders NIDA (1999) General Sample (>11 years old) College Sample Alcohol 47.5% 73.2% 3 Tobacco Marijuana Cocaine Hallucinogens Heroin 30.2% 35.5% 0.0% 18.7% 0.7% 1.6% 0.4% 2.2% 0.1% 0.7% Perspectives • Viewed as a social and legal issue as well as behavioral • Is it a disease or a choice? 4 – Not a new debate • Associated with other mental disorders • Continuum in society – Where does it become a problem? Perspectives • Use and abuse of psychoactive substances • Associated with significant impairment and costs • Some Important Terms and Distinctions 5 – Substance use vs. substance intoxication – Substance abuse vs. substance dependence – Tolerance vs. withdrawal CNS Depressants • Alcohol Use Disorders – Depressant that removes the “brakes” on some parts of behavior – Biological effects are widespread 6 • Effects of Chronic Alcohol Use – Alcohol intoxication & withdrawal – Associated conditions – Dementia & Wernicke’s disease – Fetal alcohol syndrome
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Types of Alcoholics • Cloninger subgroups of alcoholics – Type 1 • Affects males and females equally • Can abstain, but lose control, then feel guilty 7 Can abstain, but lose control, then feel guilty • Recreational Drinking – Type 2 • Males predominantly • Impulsive, drinking problems prior to 25 • Cannot abstain Sedative Hypnotics • The Nature of Drugs in This Class – Sedatives – Calming (e.g., barbiturates) – Hypnotic – Sleep inducing
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PSY 220 - Lecture 11 - Learning Objectives...

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