Book Chapter

Prevention and early intervention in psychotic disorders

Emre Bora, Mahesh Jayaram, Christos Pantelis

New Oxford Textbook of Psychiatry | Oxford University Press | Published : 2020

Abstract

This chapter considers treatment approaches in early psychosis and the possibility of prevention prior to the development of illness. The chapter first considers the various definitions of the pre-psychotic state, including prodrome, and the concept of clinical high-risk (CHR) groups. The CHR groups, including the ultra-high-risk (UHR) and basic symptoms (BS) groups aim to identify individuals at imminent risk of transitioning to full-blown psychosis. Further, the chapter summarizes the notion of a staging model for psychosis, which incorporates these earliest pre-psychosis stages, and considers the onset and progression of the illness to chronicity, with differing intervention options for e..

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