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Depression in psychosis: associations with psychological flexibility and emotion regulation

Frost, Rebecca (2012) Depression in psychosis: associations with psychological flexibility and emotion regulation. D Clin Psy thesis, University of Glasgow.

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Abstract

Background: Depressive symptoms have been found to accompany and develop following psychosis. Depression following psychosis has been associated with negative self-cognitions. Acceptance and Commitment Therapy (ACT) posits that avoidance of distressing internal experiences can lead to psychological inflexibility and the maintenance of distress. Aims: The study conducted a preliminary investigation into the effectiveness and acceptability of a brief ACT-based defusion intervention aimed at increasing psychological flexibility and reducing distress associated with negative self cognitions. This research also explored the extent to which levels of depression experienced by individuals with psychosis are associated with internal shame, psychological flexibility and emotion regulation difficulties. Method: A randomised controlled trial design was used in phase 1 of the study. Individuals were randomised to either a brief defusion intervention (N=8) or a control condition (N=8).An exploratory correlational design was used in phase 2 of the research.Sixteen participants completed questionnaires. Results: Levels of depression in individuals with psychosis were associated with internal shame, psychological inflexibility and difficulties with emotion regulation. A trend approaching significance suggested that the change in levels of distress related to a negative self cognition in the defusion group was greater than the corresponding change for the control group. Conclusions: Individuals randomised to a defusion exercise found the intervention acceptable and it appears to offer promise for reducing distress associated with negative self cognitions.

Item Type: Thesis (D Clin Psy)
Qualification Level: Doctoral
Keywords: Psychosis, depression, acceptance and commitment therapy, psychological flexibility
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Colleges/Schools: College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing
Supervisor's Name: White, Dr. Ross
Date of Award: 2012
Depositing User: Miss Rebecca Frost
Unique ID: glathesis:2012-3719
Copyright: Copyright of this thesis is held by the author.
Date Deposited: 16 Nov 2012
Last Modified: 10 Dec 2012 14:10
URI: http://theses.gla.ac.uk/id/eprint/3719

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