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The Relationship Between Childhood Trauma, Person Beliefs and Trust in a Clinical Sample of People Experiencing Paranoia in Psychosis

Hoban, Melissa Juliet; (2020) The Relationship Between Childhood Trauma, Person Beliefs and Trust in a Clinical Sample of People Experiencing Paranoia in Psychosis. Doctoral thesis (D.Clin.Psy), UCL (University College London). Green open access

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Abstract

The current thesis investigated two factors associated with psychosis; childhood trauma and person beliefs. Part one was a systematic review that quantitatively synthesised the existence of person beliefs in people with psychosis and at risk mental state (ARMS) compared to healthy controls, and the association of person beliefs with paranoia. More negative and less positive person evaluations were present in those with psychosis and ARMS, and negative person beliefs were consistently associated with paranoia. The greatest differences and associations were at the lower end of the psychosis continuum. A correlational meta-analysis for positive beliefs and paranoia could not be conducted due to the low number of studies available. The results are discussed in relation to models of persecutory delusions and help-seeking behaviour. Part two used an interactive virtual reality scene with a friendly avatar to examine the impact of childhood trauma and person evaluations on trust (trust appraisal and trusting behaviour). Twenty-two male participants with psychosis experiencing paranoia were recruited. Virtual reality was reported to be a safe and valid tool. Trust appraisal was predicted by childhood trauma exposure, symptom severity and positive other-evaluations, whilst positive self-beliefs predicted trusting behaviour. The implications for clinical work and research were discussed. Part three was a critical appraisal which reflected on the process of recruitment, the complexity of studying psychosis and trauma and methodological considerations from both parts of the thesis. This was a joint project with a fellow trainee, Kate Watchorn. Each thesis had a different focus and work was completed and presented separately.

Type: Thesis (Doctoral)
Qualification: D.Clin.Psy
Title: The Relationship Between Childhood Trauma, Person Beliefs and Trust in a Clinical Sample of People Experiencing Paranoia in Psychosis
Event: UCL
Open access status: An open access version is available from UCL Discovery
Language: English
Additional information: Copyright © The Author 2020. Original content in this thesis is licensed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) Licence (https://creativecommons.org/licenses/by/4.0/). Any third-party copyright material present remains the property of its respective owner(s) and is licensed under its existing terms. Access may initially be restricted at the author’s request.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10111106
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