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Aversion Therapy. A treatment based on the principles of classical conditioning. Lets remind ourselves about classical conditioning. Before conditioning. Bell: Neutral stimulus (NS). Food: unconditioned stimulus (UCS). Salivation: unconditioned Response (UCR). During conditioning.
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Aversion Therapy A treatment based on the principles of classical conditioning
Lets remind ourselves about classical conditioning Before conditioning Bell: Neutral stimulus (NS) Food: unconditioned stimulus (UCS) Salivation: unconditioned Response (UCR) During conditioning Bell: Neutral stimulus (NS) Pairing Food: unconditioned stimulus (UCS) Salivation: unconditioned Response (UCR) After conditioning Bell: Conditioned stimulus (CS) Salivation: Conditioned response (CR)
Aversion Therapy • Uses classical conditioning to get rid of addictions or unwanted behaviours. • Patient’s unwanted addiction is paired with a drug that makes them sick or electric shocks. • https://www.youtube.com/watch?v=Lc8rtjxG-eI
Aversion Therapy (UCS) Emetic Drug Vomiting (UCR) (CS) Alcohol + (UCS) Emetic Drug Vomiting (UCR) (CS) Alcohol Vomiting (CR)
Aversion Therapy • Aversion therapy can be used with alcoholics. • Alcohol is paired with an emetic drug (a drug which causes nausea and vomiting). • Over time the alcoholic associates alcohol with being sick and does not want to drink alcohol anymore. • Other drinks such as soft drinks are given without the drug so that the person is not conditioned to feel sick to all drinks.
Aversion Therapy • Aversion therapy can be used with paedophiles. • Paedophiles can give themselves a self-administered electric shock every time they look at a child or a picture of a child.
Research Evidence for Aversion Therapy • Meyer & Chessel (1970) Found that 50% of patients who experienced this treatment abstained from alcohol for a year. (Better than the no-treatment group).
Evaluation of Aversion Therapy +Can help alcoholics when used alongside another treatment. -Effects may not be permanent • Association between alcohol and vomiting may fade over time if the person drinks alcohol without taking the emetic drug. • Ethical issues • Distressing, patient lacks control
Exam Question Arthur seeks help for his addiction. Describe one treatment for drug dependency. (3 marks) Evaluate the use of one treatment for drug dependency. (4 Marks)