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Title: Self-structure and delusions
Author: Gallardo, Laura
ISNI:       0000 0004 8499 7281
Awarding Body: Royal Holloway, University of London
Current Institution: Royal Holloway, University of London
Date of Award: 2017
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Previous research has highlighted the influence of an individual's self- and other-evaluative beliefs on the development and maintenance of delusions in psychosis. However, there is a growing evidence base indicating that self-structure, that is how we organise information about our-selves, may be a fundamental component in the accessibility of those beliefs. One element of self-structure is 'evaluative self-organisation', which states that self-structure exists on a continuum from integrated to compartmentalized based on how positive and negative self-beliefs are distributed. Self-structure can also be either positively or negatively valenced. While there has been research into the role of evaluative self-organisation on some clinical presentations including depression, social anxiety and bipolar disorder, there has been no research to date on its relationship to delusions. The current project firstly aims to explore the relationship between individuals' self-structure and delusional beliefs, particularly paranoia and grandiosity, within a non-clinical population. The second aim was to investigate any associations between the overall positivity/negativity of an individual's self-structure and paranoid and grandiose beliefs. The final aim was to determine if selfcontent or self-structure was a greater predictor of the presence of both paranoid and grandiose beliefs. Participants (n = 86) firstly completed a range of self-report measures assessing delusional beliefs and self-content. They then completed a selfdescriptive card sort task to measure self-structure. While the results did not demonstrate a significant relationship between paranoia and self-structure alone, a significant relationship between paranoia and negatively-compartmentalised selfstructures was observed. There was no significant relationship between grandiosity and self-structure, regardless of overall positivity/negativity. The results also demonstrated that self-content was a greater predictor of both paranoia and grandiosity compared to self-structure. The findings of the current thesis provide a platform for further research examining the role of self-structure in non-clinical delusions.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (D.Clin.Psy.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Delusions ; Self-structure ; paranoia