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Systematic desensitisation Behaviourist treatment AS


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Systematic desensitisation Behaviourist treatment AS

  1. 1. Systematic Desensitisation Describe and evaluate this form of therapy
  2. 2. What is a phobia? An exaggerated fear of an object or situation According to behaviourism, it is a learned response to a stimulus
  3. 3. Remember Little Albert? Noise UC S Fear UC R Noise UC + Rat NS S Fear UC R Rat CS Fear CR
  4. 4. Phobias • What do people with phobias do when they are confronted with their feared stimulus? avoidance • How do you think we can treat this disorder without using drugs or talking therapy? counterconditioning
  5. 5. An example in everyday life... How Ivan became phobic of walking in the forest
  6. 6. Work it out... UC S UC R UC + NS S CS UC R CR
  7. 7. Systematic desensitisation This therapy aims to extinguish an undesirable behaviour fear by replacing it with a more desirable one relaxation . This called We cannot feel fear and relaxed at the same time reciprocal inhibition
  8. 8. How does it work? It is a step by step approach The client learns relaxations techniques The client works out a hierarchy of fear from the least frightening to the most frightening Fur Paw Mouth Dog The client works through the hierarchy learning to use relaxation techniques in the presence of the feared object
  9. 9. Systematic desensitisation Counter-conditioning Desensitisation hierarchy Reciprocal Inhibition
  10. 10. Task Apply the desensitisation hierarchy to the following scenario: Alana has an extremely anxious reaction to spiders. She completely freezes if a spider is in the room, no matter what the size. She even struggles with plastic and cuddly toy spiders. E xplain how a behavioural therapist might use SD to help Alana with her fear of spiders (6
  11. 11. Pair-work (if time) 1. Therapist 2. Patient Think of a phobia and work through hierarchy and any techniques below to help the patient.
  12. 12. Using systematic desensitisation What difficulties do you think this therapy has? e.g. if someone is afraid of flying – what difficulty will the therapist have?
  13. 13. To the right are some aspects of flying that may cause different levels of anxiety. Anxiety Grade Low Anxiety 1–19 Medium Low Anxiety 20–39 Medium Anxiety 40–59 Medium High Anxiety 60–79 High Anxiety 80–100
  14. 14. Ways to overcome this... v=CQgKEp_NhHk As the clip rolls, make notes on key psychologists’ names and examples
  15. 15. Ideas Patient needs to be briefed well, so can give informed consent. High levels of arousal/ distress possible. Quicker analysis than drug therapy or lengthy psychoanalysis? Effect might diminish once removed from lab setting and positive reinforcement from therapist, high chance of relapse? Psychotic, as opposed to neurotic, disorders? Disorders with no clearly identifiable behavioural component? Genetic/ physiological/neurochemical?
  16. 16. Other behavioural therapies • Aversion therapy • Modelling • Flooding • Token economy
  17. 17. Evaluation Use key words below (textbook 118) to write at least 2 strengths and 2 weaknesses of SD  Effectiveness  Symptom substitution  Appropriateness Depends on the type of phobia; some may be biologically based
  18. 18. Phobia workshop – sketch show • v=koNwUeG-iKE&feature=related