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Title: Targeting negative thought intrusions in chronic worry : the role of mindfulness interventions and the use of experience sampling
Author: Williams, Liam Derrick
ISNI:       0000 0004 6497 0110
Awarding Body: University of Southampton
Current Institution: University of Southampton
Date of Award: 2017
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Background: Momentary mind wandering has been associated with reduced affect when explored across a range of clinical and non-clinical populations. As a component of mind wandering worry has been identified as a transdiagnostic process. Within this study experience sampling methodology was used to test the differential effects of acceptance and attention based mindfulness exercises on worry and the frequency of thought intrusions. Method: 75 high worriers were randomised to one of three groups (acceptance, focussed attention or progressive muscle relaxation), and practiced a 10 minute exercise regularly for 18 days. In addition to standardised measures, six times per day participants were prompted via their mobile phones to complete a short survey assessing momentary thought intrusions. Results: All groups experienced a reduction in worry, with the acceptance exercise having a superior effect. Mind wandering occurred frequently, within 58.82% of responses and the content tended to be related to the future. Momentary future orientated unpleasant thoughts reduced over the course, similarly for each group. Discussion: The study provides evidence that acceptance and attention-based exercises reduce the frequency of worry in self-reported high worriers.
Supervisor: Garner, Matthew Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available