Lecture 15

Lecture 15 - What is Addiction? Addiction is: A chronic...

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1 What is Addiction? Addiction is: • A chronic progressive relapsing disease. • Compulsive drug use regardless of the detrimental effects of the behavior on various aspects of health and life Addiction is a disease of the young.
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2
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3 Continuum of Drug Use
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4 How Far-Reaching is Drug Abuse? Pattern of Herion Use in 10 Individuals Over a 20 Year Period
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5 Addiction and Other Chronic Diseases Risk Factors for Drug Addiction
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6 Physical Dependence Model Positive Reinforcement Model Physical Dependence Model Strengths: • Accounts for maintenance of drug seeking and drug taking for those drugs that produce dramatic withdrawal syndromes (Heroin & Alcohol) • Stresses the importance of craving
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Physical Dependence Model Weaknesses: • What about drugs that don’t produce strong withdrawal syndromes (e.g. cocaine)? • Explains maintenance, not induction (trying => repeated use) • Explained reinforcement during withdrawals makes sense – after full detox, explanation’s entirely based upon cue-induced conditioned response mechanism – craving? Relationship Between Dose and Reward
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Lecture 15 - What is Addiction? Addiction is: A chronic...

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