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Cognitive-behavioural therapy for psychosis: a status report
1Department of Psychiatry, University of Western Ontario, London. rnorman@julian.uwo.ca
Summary
Cognitive-behavioural interventions show promise for psychosis, particularly for auditory hallucinations and delusions. However, more rigorous controlled trials are needed to confirm their effectiveness and clinical utility.
Area of Science:
- Psychiatry
- Clinical Psychology
- Neuroscience
Background:
- Psychosis, including auditory hallucinations and delusions, often presents treatment resistance.
- Cognitive-behavioural interventions (CBIs) offer a potential therapeutic avenue for managing psychotic symptoms.
Purpose of the Study:
- To review the nature of cognitive-behavioural interventions for psychosis.
- To evaluate the existing evidence for the effectiveness of these interventions.
Main Methods:
- Conducted comprehensive literature searches using electronic databases (Medline, Psychinfo) and bibliographies.
- Identified studies describing and evaluating cognitive-behavioural interventions for psychosis.
Main Results:
- Various CBIs have been applied to reduce psychosis, primarily in treatment-resistant patients with hallucinations or delusions.
- Most evaluations are based on case studies or pre-post designs; controlled trials are limited.
- Promising results exist, but methodological limitations hinder definitive conclusions on clinical utility.
Conclusions:
- Further high-quality, controlled trial evaluations of CBIs for psychosis are essential.
- Future research should also investigate clinical effectiveness, mediators of treatment effects, risks, and cost-effectiveness.