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Disorganized schizophrenia, or hebephrenia, is an obsolete term for a subtype of schizophrenia.It is no longer recognized as a separate condition, following the publication of the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition in 2013, which dropped the concept of subtypes of schizophrenia, and global adoption of the eleventh revision of the International Classification ...
Schizophrenia is a mental disorder [17] [7] characterized variously by hallucinations (typically, hearing voices), delusions, disorganized thinking and behavior, [10] and flat or inappropriate affect. [7]
In schizophrenia, patients experience two types of symptoms: positive and negative. Positive symptoms include behavior added on to a person's daily functioning. For instance, delusions , hallucinations , disorganized speech, disorganized behavior and thought are all positive symptoms.
The causes of schizophrenia that underlie the development of schizophrenia, a psychiatric disorder, are complex and not clearly understood.A number of hypotheses including the dopamine hypothesis, and the glutamate hypothesis have been put forward in an attempt to explain the link between altered brain function and the symptoms and development of schizophrenia.
Disorganized motor behavior includes repetitive, odd, or sometimes purposeless movement. Disorganized motor behavior rarely includes catatonia, and although it was a historically prominent symptom, it is rarely seen today. Whether this is due to historically used treatments or the lack thereof is unknown. [19] [17]
'This will turn out to be the most important break in the disease,' the Broad Institute's director Eric Lander said.
Schizophreniform disorder is a type of mental illness that is characterized by psychosis and closely related to schizophrenia.Both schizophrenia and schizophreniform disorder, as defined by the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR), have the same symptoms and essential features except for two differences: the level of functional impairment and the duration of symptoms.
This additional post-menopausal peak of late-onset schizophrenia in women calls into question the etiology of the disease and raises a debate about "subtypes" of schizophrenia, with men and women being susceptible to different types (see causes of schizophrenia). This is further supported by the variability in presentation of the disease ...
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