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Abstract: Few studies have addressed the correlates of trauma in young people at Ultra-High Risk (UHR) of developing a psychotic disorder. We aimed to examine baseline differences in intensity, form and content of attenuated positive psychotic symptoms, other clinical symptomatology and comorbidity between UHR patients with and without a history of trauma. In a sample of 127 UHR individuals (53 male, 74 female; mean age 18.2 years, range 14–26) we assessed trauma history and baseline symptomatology using an audit tool developed to retrieve data from patient medical records. 56% of the subjects had experienced at least one type of trauma. The intensity of perceptual abnormalities was significantly higher in the group with a history of physical abuse and ‘other trauma’ compared to those without a trauma history. Physical abuse was related to higher levels of visual disturbances, suspiciousness, grandiose beliefs and low mood compared to those without a history of physical abuse. Sexual trauma was related to perceptual disturbances with abusive content and PTSD symptoms. The prevalence of previous trauma in people at UHR of developing psychosis is high. Our findings tentatively suggest that different types of trauma may impact differently on initial presentation to UHR services. [Copyright &y& Elsevier]

Abstract: Individuals at “ultra high risk” (UHR) for psychosis have been found to experience high rates of sexual trauma. An aetiological role for sexual trauma has been proposed for psychotic disorders and may influence psychotic symptom content. We aimed to investigate the relationship between previous sexual trauma and reported psychotic-like experiences, in particular psychotic symptoms with a sexual content in a UHR sample. We investigated the prevalence of “attenuated” or “subthreshold” psychotic symptoms with a sexual content in a consecutive series of patients recruited to a specialist UHR clinic. Patient''s experience of general and sexual trauma was rated separately using a trauma questionnaire based on the list of events qualifying as traumas under DSM IV. The sample consisted of 92 patients, 14 (15.2%) had experienced an attenuated psychotic symptom with sexual content. The most common symptom was overvalued ideas/delusions of being watched in the shower/toilet or undressing. A considerable proportion of the sample (36.2%) had experienced sexual trauma (sexually molested or raped). Presence of attenuated psychotic symptoms with sexual content was related to history of previous sexual trauma (OR 7.17, P <0.01). This relationship remained significant when other traumatic experiences, PTSD diagnosis, age and sex were adjusted for. Further research into this relationship with regard to outcome and treatment is warranted. [Copyright &y& Elsevier]