There has been increasing interest in the potential for early detection and intervention during the prodromal phase of a psychotic disorder. The widespread criteria to identify people at high risk of onset of psychotic disorders include attenuated and transient psychotic symptoms in combination with different risk indicators and a significant deterioration in global functioning. Just as prodromal symptoms, early-onset psychosis is a nonspecific and heterogeneous entity composed of several psychopathology dimensions. Although the identification of demographic, clinical and environmental predictors and the efficacy of early treatments had led to a decelerating rate of conversion to psychosis over the last few years, further work is needed to refine diagnostic criteria and improve pharmacological and psychosocial treatments.
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