The behavioural approach to treating phobias Flashcards
What is systematic desensitisation?
A behavioural therapy designed to reduce an unwanted response, such as anxiety
What are the 3 stages of systematic desensitisation?
1) Anxiety hierarchy (list of situations related to phobic stimulus, arranged from least to most frightening)
2) Relaxation (provide relaxation techniques: breathing exercises, mental imagery techniques, medication, drugs)
3) Exposure (exposure to stimulus whilst in relaxed state- when client remains relaxed, they move onto the next stage of the anxiety hierarchy)
STRENGTH-
I= Evidence for effectiveness
Systematic desensitisation
D= Gilroy et al studied 42 people who were treated by SD for spider phobias. Followed up after 3, then 33 months. SD group were less fearful than a control group (relaxation, no exposure)
E= Suggests its effectiveness in phobia treatment
STRENGTH-
I= Used to help people with learning disabilities
Systematic desensitisation
D= People with learning disabilities sometimes find cognitive therapies difficult, as they require complex thought. They may feel confused and distressed by the trauma of flooding
E= Means SD is most appropriate for those with learning disabilities
STRENGTH-
I= More practical than direct exposure
SD in virtual reality
D= Can be used to avoid dangerous situations, such as heights, and is cost-effective as psychologists can remain in the consulting room
E= Saves time and money (for phobias like flying)
LIMITATION-
I= Lacks realism
SD in virtual reality
D= SD involves exposure in real-life settings. Its realism is an advantage
E= Evidence from Wechsler et al suggests real-world exposure is more effective than VR exposure
What is flooding?
A behavioural therapy in which a person with a phobia is exposed to an extreme form of a phobic stimulus to reduce anxiety triggered by the stimulus
How does flooding work?
- Flooding almost immediately stops phobic responses
- Without the option of avoidance, the client learns the stimulus is harmless
- Learned response of fear is extinguished when the CS and UCS come into contact
- Client may even achieve relaxation when presented with stimulus as their fear has exhausted them
What are the ethical issues surrounding flooding?
- Flooding is not unethical but it is an unpleasant experience and can be traumatising, so informed conset must be obtained prior to the procedure
STRENGTH-
I= Cost-effective
Flooding
D= Therapy is cost effective if it is both clinically effective and not expensive. Flooding can work in a minium of 1 session vs 10 for SD
E= Means more people can be treated at the same cost with flooding than with alternatives
LIMITATION-
I= Traumatic experience
Flooding
D= Confronting one’s stimulus in extreme forms can provoke high anxiety levels. Schumacher et al= participants rated flooding as more stressful than SD. This raises ethical issues of inflicting harm. Trauma means dropout rates are higher
E= Suggests therapies may avoid this treatment and may choose alternatives
Symptom substitution
Evaluation extra
LIMITATION-
- Flooding masks symptoms, and does not tackle underlying causes of phobias- as one symptom gets better, another gets worse. Persons- woman with a phobia of death- fear of death declined, fear of criticism increased
STRENGTH-
- Existence of symptom substitution comes from case studies- case study approach may be flawed, so findings do not generalise