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Korean J Schizophr Res. 2014 Apr;17(1):5-11. Korean.
Published online Apr 24, 2014.  https://doi.org/10.16946/kjsr.2014.17.1.5
Copyright © 2014 Korean Society for Schizophrenia
Schizophrenia Spectrum Disorder in DSM-5 : Is this a New Change?
Chul-Hyun Cho, MD, PhD and Heon-Jeong Lee, MD, PhD
Department of Psychiatry, Korea University College of Medicine, Seoul, Korea.

Address for correspondence: Heon-Jeong Lee, Department of Psychiatry, Anam Hospital, Korea University College of Medicine, 73 Inchon-ro, Seongbuk-gu, Seoul 136-705, Korea. Tel: 02-920-6721, Fax: 02-929-7679, Email: leehjeong@korea.ac.kr
Received Mar 08, 2014; Revised Mar 24, 2014; Accepted Mar 25, 2014.

Abstract

The American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders, Fifth version (DSM-5) finally introduced in 2013. Psychiatrists and researchers of neuroscience were looking forward that DSM-5 will introduce a new paradigm of diagnostic criteria. However, they have criticized on DSM-5 about not including of neurobiological criteria after DSM-5 published. Since schizophrenia spectrum disorder is heterogeneous and hard to diagnose correctly, we can guess that there might be a big affliction in preparation of DSM-5. Diagnostic criteria of schizophrenia spectrum disorder in DSM-5 changed in several points including changes of Criteria A of schizophrenia. The most outstanding change is the elimination of subtypes of schizophrenia, and introducing of Clinician-Rated Dimensions of Psychosis Symptom Severity for further division into homogenous subgroups depending on psychosis symptoms. Until now, the results of various neurobiological investigations are not consistent, so neurobiological criteria of schizophrenia spectrum disorder deserved no inclusion in DSM-5. Thinking comprehensively, DSM-5 might decide to choose stability rather than challenge. In the future, the diagnostic criteria of schizophrenia spectrum disorder in DSM will progress with inclusion of neurobiological criteria, and researches of schizophrenia spectrum disorder will make advance that match changes in progression of DSM.

Keywords: Schizophrenia spectrum disorder; DSM-5

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