Simple-type schizophrenia
Simple-type schizophrenia is a sub-type of schizophrenia included in the International Classification of Diseases (ICD-10), in which it is classified as a mental and behaviour disorder. It is not included in the current "Diagnostic and Statistical Manual of Mental Disorders" (DSM-5) or the upcoming ICD-11, effective on the 1st of January 2022. Simple-type schizophrenia is characterized by negative ("deficit") symptoms, such as avolition, apathy, anhedonia, reduced affect display, lack of initiative, lack of motivation, low activity; with absence of hallucinations or delusions of any kind.

Simple schizophrenia was included as a proposed diagnosis for further study in the appendix of the former DSM-IV.
Q41112
schizophrenia
Concept
Q50018
International Classification of Diseases
MEDIA
Q45127
ICD-10
DIS
Q12135
mental
Concept
Q2724302
behaviour
Concept
None
disorder
UNK
Q201561
Diagnostic and Statistical Manual of Mental Disorders
MEDIA
Q3064664
DSM-5
ORG
Q55695727
ICD-11
DIS
Q1441305
symptom
Concept
Q609066
avolition
Concept
Q309406
apathy
Concept
Q545365
anhedonia
Concept
Q2973381
reduced affect display
Concept
Q2914153
lack of motivation
Concept
Q130741
hallucination
Concept
Q189643
delusion
Concept
Q201561
DSM-IV
MEDIA
Q2855814
Simple-type schizophrenia
Concept
Q2855814
Simple-type schizophrenia
Concept
2022-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1st of January 2022
DATE
-10^^http://www.w3.org/2001/XMLSchema#decimal
-10
NUMBER
-5^^http://www.w3.org/2001/XMLSchema#decimal
-5
NUMBER
-11^^http://www.w3.org/2001/XMLSchema#decimal
-11
NUMBER
subclass of
instance of
edition or translation of
part of the series