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Psych 179 lecutre wk 1-2

Psych 179 lecutre wk 1-2 - Psych 179 lecutre wk 1-2 A Drugs...

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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)
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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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