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Chapter 8 Drug Abuse. Data on illicit drug use Two developments important for explaining today’s drug use.

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Presentation on theme: "Chapter 8 Drug Abuse. Data on illicit drug use Two developments important for explaining today’s drug use."— Presentation transcript:

1 Chapter 8 Drug Abuse

2 Data on illicit drug use

3 Two developments important for explaining today’s drug use

4 Patterns of opioid drug use over a 20-year period in ten heroin addicts

5 Continuum of drug use

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8 Models of Drug Abuse The moral model of addiction

9 Models of Drug Abuse The physical dependence model of addiction

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11 Problems with model: 1. 2. 3.

12 Withdrawal and explaining continued drug use Negative reinforcement

13 Models of Drug Abuse The positive reinforcement model of addiction

14 Models of Drug Abuse The original opponent–process model of motivation

15 Models of Drug Abuse The original opponent–process model of motivation Classical conditioning of drug-related cues

16 Models of Drug Abuse Disease Model of Addiction

17 Models of Drug Abuse “Gateway” theory of drug use

18 Models of Drug Abuse Biopsychosocial model (still in development) Reasons for early experimental with drugs

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