Prediction and prevention of transition to psychosis in young people at incipient risk for schizophrenia

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Abstract
The treatment of psychotic disorders, particularly schizophrenia, had been viewed with pessimism until a recent shift in focus from established or chronic illness to earlier phases of illness around the onset highlighted opportunities for enhanced recovery. Associated with this change in focus of research and clinical efforts has been the recognition that the biological and social changes underpinning the development of psychotic disorders may already be active in the pre‐psychotic or prodromal phase. It has therefore been suggested that efforts toward the prevention of psychotic disorders should focus on the emerging illness. This article provides a review of work that has been conducted at the PACE Clinic in Melbourne, Australia since 1994. This clinical research program was established to develop strategies for the identification of young people at high risk of developing a psychotic disorder within a short period of time‐ primarily by virtue of recent mental state changes. Additionally, biological and psychological processes that have been proposed to underlie the development of illness have been investigated and potential preventive interventions have been evaluated.