ArticleBJPsych open2025
Mediators of psychotic-like experiences in community youths after trauma: positive sense of agency and post-traumatic stress symptoms.
Article in BJPsych open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTrauma exposure has been associated with the development of psychotic disorders in adolescence and young adulthood. Trauma can compromise the sense of agency, a predictor of psychosis. Symptoms of post-traumatic stress disorder (PTSD) after trauma may also imply significant cognitive impairments that predispose young people to psychotic-like experiences (PLEs). This study investigates whether the two senses of agency subtypes - positive and negative agency, and PTSD symptoms mediated PLEs in youths after trauma.
aimsThe study aimed to explore the mediation of the sense of agency and post-traumatic stress symptoms in the development of psychotic-like experiences after trauma.
methodParticipants were Hong Kong youths aged 12 to 25 who completed surveys online from May 2022 to May 2024. Self-report sense of agency, PLEs and related distress, potentially traumatic life events and PTSD symptoms from 517 youths with a mean age of 20.22 and 72.0% female were analysed. 283 participants (54.7%) experienced at least one potentially traumatic event.
resultsA series of regression analyses revealed that a positive sense of agency mediated the effect of trauma on PLEs and related distress in the full sample. In the subgroup of 283 trauma-exposed youths, PTSD symptoms but not sense of agency mediated the effect of trauma on PLEs and related distress.
conclusionsThe presence of traumatic experiences can increase PLEs by reducing positive agency in community youths. Among trauma-exposed youths, the effect of various traumatic experiences on PLEs may be better explained by PTSD symptoms. Limitations of the study and future directions are discussed.
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