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Title: Responsibility beliefs and thought-action fusion in command hallucinations
Author: Abbas, Zarina
Awarding Body: University of London
Current Institution: University of London
Date of Award: 2012
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Beliefs about voices have been shown to be more important than voice content in determining an individual's emotional and behavioural responses to command hallucinations (CH). Inflated responsibility beliefs (IRB) and thought-aCtion fusion (TAF), originally implicated in QCD, have been found in psychosis. The current study examined whether IRB and TAF are relevant in CH, and whether there is a relationship between the two constructs in voice hearers. 18 people with CH, 17 with non-CH, and 23 non-clinical controls (NCC) completed measures of IRB, TAF, obsessive-compulsive symptoms, depression and anxiety. People with CH were also interviewed about their responsibility beliefs for compliance with voices, using the pie chart technique commonly used in anxiety disorder treatments. For the auditory hallucination (AH) group, a significant positive relationship was found between IRB and both TAF-Moral and TAF-Likelihood, however only TAF-Moral remained significant after controlling for potential confounds. In terms of differences in IRB, the AH group scored significantly higher than NCC. The CH group had significantly higher IRB than non-CH and NCC on both measures of IRB. The non-CH group scored Significantly higher than NCC on one measure of IRB only. In terms of TAF, the AH group scored significantly higher than NCC across all TAF subscales. The CH group had a significantly higher TAF bias than NCC on all TAF subscales, and scored Significantly higher than non-CH on T AF-Moral, but not TAF-Likelihood beliefs. The non-CH group had a significantly higher TAF bias than NCC for TAF- Likelihood domains, but not TAF-Moral. The results suggested IRB and TAF are relevant in command hallucinations, which are not simply accounted for by the presence of obsessive-compulsive symptoms. Further research into the role of IRB and TAF in compliance with commands is needed, as well as research into more targeted assessment and treatment approaches for command hallucinations. 3
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available