Pathways from trauma to unusual perceptual experiences: Modelling the roles of insecure attachment, negative affect, emotion regulation and dissociation

Laura P Strachan; Georgie Paulik; David A Preece; Peter M McEvoy

doi:10.1111/papt.12486

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Pathways from trauma to unusual perceptual experiences: Modelling the roles of insecure attachment, negative affect, emotion regulation and dissociation

Journal article

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Pathways from trauma to unusual perceptual experiences: Modelling the roles of insecure attachment, negative affect, emotion regulation and dissociation

Laura P Strachan, Georgie Paulik, David A Preece and Peter M McEvoy

Psychology and psychotherapy, Vol.96(4), pp.934-951

2023

DOI: https://doi.org/10.1111/papt.12486

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Abstract

attachment

dissociation

emotion regulation deficits

trauma

unusual perceptual experiences

Background A range of traumas have been linked to voices (auditory verbal hallucinations) and unusual perceptual experiences (UPEs) in other perceptual-sensory domains. Models of PTSD and positive symptoms of psychosis are insufficient in explaining the relationship between trauma and voices. The trauma-related voices (TRV) model was developed to generate novel research in this area. Aims This study aimed to investigate pathways from trauma to the frequency of UPEs based on a subset of hypothesised relationships in the TRV model. Materials The PTSD Diagnostic Scale for DSM-5, State Adult Attachment Measure, Depression Anxiety and Stress Scales-21, Perth Emotion and Regulation Competency Inventory, Dissociative Experiences Measure Oxford, and Multi-modality Unusual Perceptual Experiences Questionnaire. Methods We used path analysis in a non-clinical sample (N = 528) to model indirect effects from diverse trauma experiences to the frequency of multi-sensory UPEs via a subset of mediators within the TRV model: insecure attachment, emotion regulation deficits, negative affect and dissociation. Results Our model was an excellent fit to the data and accounted for 37.1% of variance in UPE frequency, and all direct (βs = .14–.61) and indirect pathways (βs = .01–.08) were significant (ps < .001). Discussion Our findings suggest that insecure attachment may link diverse trauma experiences to emotion regulation deficits and negative affect, which are linked to UPE frequency via dissociation. Conclusion Our findings provide preliminary evidence for a subset of relationships within the TRV model. Future studies are needed to gather stronger evidence of temporality and causation between these factors, and to test broader pathways within the TRV model.

Details

Title: Pathways from trauma to unusual perceptual experiences: Modelling the roles of insecure attachment, negative affect, emotion regulation and dissociation
Authors/Creators: Laura P Strachan - Curtin University
Georgie Paulik - Murdoch University
David A Preece - Curtin University
Peter M McEvoy - Curtin University
Publication Details: Psychology and psychotherapy, Vol.96(4), pp.934-951
Publisher: John Wiley & Sons Ltd on behalf of The British Psychological Society.
Identifiers: 991005595969707891
Murdoch Affiliation: School of Psychology
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 1 Clinical & Life Sciences; 1.21 Psychiatry; 1.21.24 Schizophrenia Research
Web Of Science research areas: Psychiatry; Psychology; Psychology, Clinical
ESI research areas: Psychiatry/Psychology