진단기준
A. Progressive development over a period of at least a year of all of the following:
(1) marked decline in occupational or academic functioning
(2) gradual appearance and deepening of negative symptoms such as affective flattening, alogia, and avolition
(3) poor interpersonal rapport, social isolation, or social withdrawal
B. Criterion A for schizophrenia has never been met.
C. The symptoms are not better accounted for by schizotypal or schizoid personality disorder, a psychotic disorder, a mood disorder, an anxiety disorder, a dementia, or mental retardation and are not due to the direct physiological effects of a substance or a general medical condition.
출처: DSM-IV
히스토리
There is a group of patients who show a gradual onset of pronounced negative symptoms, such as flattened affect and avolition, a reduced capacity for work and self-care, but never display prominent delusions, hallucinations, thought disorder, or catatonic symptoms. Simple schizo-phrenia was first conceptualized to include these patients by Diem in 1903. The concept was adopted by Bleuler and Kraepelin, leading to be regarded as an added category to the existing subtypes of schizophrenia. It was adopted by major official psychiatric nosologies such as Diagnostic and Statistical Manual of Mental Disorders (DSM) and International Classification of Diseases (ICD). However, with the criticism that the conception was invalid, it was not included in DSM-III, DSM-IV and DSM-IV Text Revision (DSM- IV-TR).
출처: Open Journal of Psychiatry, 2012, 2, 370쪽.
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