BJPsych open · 2025
Mediators of psychotic-like experiences in community youths after trauma: positive sense of agency and post-traumatic stress symptoms.
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So Melody Miriam, Suen Yi-Nam, Wong Stephanie Ming Yin, Chan Sherry Kit Wa, Lee Edwin Ho Ming, Chen Eric Yu Hai, Hui Christy Lai Ming
Аннотация
BACKGROUND: Trauma 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.
AIMS: The 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.
METHOD: Participants 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.
RESULTS: A 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.
CONCLUSIONS: The 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.
AIMS: The 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.
METHOD: Participants 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.
RESULTS: A 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.
CONCLUSIONS: The 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.