Testing models of post-traumatic intrusions, trauma-related beliefs, hallucinations, and delusions in a first episode psychosis sample.

Trauma and post-traumatic stress disorder, including trauma-related beliefs, should be addressed in the assessment and treatment of people with early psychosis. Routine assessment of childhood trauma and PTSD in clinical services dealing with young people with first episode psychosis is needed. These findings support cognitive models of trauma and hallucinations and delusions.