The effect of trauma‐focused therapy on voice‐hearing: An experience sampling study.

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Title: The effect of trauma‐focused therapy on voice‐hearing: An experience sampling study.
Authors: Burger, Simone R., Hardy, Amy, Verdaasdonk, Inez, van der Vleugel, Berber, Delespaul, Philippe, van Zelst, Catherine, de Bont, Paul A. J., Staring, Anton B. P., de Roos, Carlijn, de Jongh, Ad, Marcelis, Machteld, van Minnen, Agnes, van der Gaag, Mark, van den Berg, David
Source: Psychology & Psychotherapy: Theory, Research & Practice. Mar/2025, Vol. 98 Issue 1, p25-39. 15p.
Subjects: Treatment of post-traumatic stress disorder, Wound care, Post-traumatic stress disorder, Research funding, Questionnaires, Treatment effectiveness, Hallucinations, Longitudinal method, Psychoses, Psychological tests, Patients' attitudes, Evaluation
Abstract: Trauma and post‐traumatic stress are involved in the aetiology and maintenance of voice‐hearing. It has been proposed that trauma‐focused therapy (TFT) might affect voice‐hearing, but previous studies are limited and remain undecided. Objectives: We aimed to investigate the effect of TFT on voice‐hearing in people with PTSD and psychosis using experience sampling method (ESM). A secondary aim was to explore how changes in voice‐hearing are related to changes in PTSD. Design: This is an adjunct longitudinal ESM study of a sub‐group of participants (N = 39) from a randomised controlled trial that compared TFT to a waiting‐list control group. Methods: Voice‐hearing participants filled in 10 daily voice‐hearing‐related questionnaires for six consecutive days at baseline and post‐treatment at pseudo‐random times during the day. PTSD symptom severity was assessed at baseline and post‐treatment. Multilevel linear regression was used to test the effect of TFT on voice‐hearing and to analyse the relationship between changes in voice‐hearing and changes in PTSD. Results: The intention‐to‐treat analysis showed a significant interaction effect between time and treatment condition (p <.00001) with a small effect size (dppc2 = −0.27), indicating a larger decrease in voice‐hearing in the TFT group than in the waiting‐list control group. Also, a significant association was observed between changes in PTSD symptoms and changes in voice‐hearing (p <.00001). Conclusions: Our findings tentatively suggest that, even when voices are not targeted directly, TFT for PTSD can alleviate distressing voices. [ABSTRACT FROM AUTHOR]
Copyright of Psychology & Psychotherapy: Theory, Research & Practice is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The effect of trauma‐focused therapy on voice‐hearing: An experience sampling study.
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  Data: Trauma and post‐traumatic stress are involved in the aetiology and maintenance of voice‐hearing. It has been proposed that trauma‐focused therapy (TFT) might affect voice‐hearing, but previous studies are limited and remain undecided. Objectives: We aimed to investigate the effect of TFT on voice‐hearing in people with PTSD and psychosis using experience sampling method (ESM). A secondary aim was to explore how changes in voice‐hearing are related to changes in PTSD. Design: This is an adjunct longitudinal ESM study of a sub‐group of participants (N = 39) from a randomised controlled trial that compared TFT to a waiting‐list control group. Methods: Voice‐hearing participants filled in 10 daily voice‐hearing‐related questionnaires for six consecutive days at baseline and post‐treatment at pseudo‐random times during the day. PTSD symptom severity was assessed at baseline and post‐treatment. Multilevel linear regression was used to test the effect of TFT on voice‐hearing and to analyse the relationship between changes in voice‐hearing and changes in PTSD. Results: The intention‐to‐treat analysis showed a significant interaction effect between time and treatment condition (p &lt;.00001) with a small effect size (dppc2 = −0.27), indicating a larger decrease in voice‐hearing in the TFT group than in the waiting‐list control group. Also, a significant association was observed between changes in PTSD symptoms and changes in voice‐hearing (p &lt;.00001). Conclusions: Our findings tentatively suggest that, even when voices are not targeted directly, TFT for PTSD can alleviate distressing voices. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Psychology &amp; Psychotherapy: Theory, Research &amp; Practice is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Value: 10.1111/papt.12556
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