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Unformatted text preview: Psych 179 lecutre wk# 1-2 10/1/09 A. Drugs as Reinforcers Reinforcement : Process by which an event increases the probability of a given response Positive reinforcement : Presentation of an event increases the probability of a response o Work hard and get raise from your boss o A child cleans his room to get candy o Drink alcohol to feel good, attract the opposite sex, and be more outgoing Negative reinforcement : Termination of an event increases the probability of a response o Work hard to avoid getting laid off o A child cleans his room to avoid a spanking o Drink alcohol to avoid server withdrawal effects, stress, or pain (physical or emotional) Punishment : Presentation of an event decreases the probability of a response. o Not Negative Reinforcement Shift in Reinforcement Associated with Development of Addiction (Handout) DSM IV Criteria as a Function of Addiction Stage (Circle cycle) Stage of the Addiction Cycle (Need to know) o Addition Preoccupation/ Anticipation A lot of time is spent procure drugs continued use despite negative consequences Binge/Intoxication Take more than intended decreased social and occupational functioning Motivational withdrawal Withdrawal/Negative Affect...
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This note was uploaded on 04/29/2010 for the course PSYCH PSYCH 179 taught by Professor Koob during the Fall '09 term at UCSD.
- Fall '09