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Schizoaffective disorder is a mental disorder characterized by symptoms of both schizophrenia and a mood disorder - either bipolar disorder or depression. [4] [5] The main diagnostic criterion is the presence of psychotic symptoms for at least two weeks without prominent mood symptoms. [5]
The SADS was developed by the same group of researchers as the Research Diagnostic Criteria (RDC). While the RDC is a list of diagnostic criteria for psychiatric disorders, the SADS interview allows diagnoses based on RDC criteria to be made, and also rates subject's symptoms and level of functioning. [1]
The updated version is intended to be fully aligned with DSM-5, and includes changes in symptoms and organization of symptoms (e.g., in the trauma section, with post-traumatic stress disorder), changes in the diagnostic summary criteria (e.g., adding mixed hypomania and mixed depression to the mood disorders sections), and changes in the ...
Schizoaffective disorder includes schizophrenia symptoms, such as delusions or hallucinations, and mood disorder symptoms, such as depression or mania.
The categorizations and the diagnostic criteria were largely unchanged. No new disorders or conditions were introduced, although a small number of subtypes were added and removed. ICD-9-CM codes that were changed since the release of IV were updated. [4] The DSM-IV and the DSM-IV-TR both contain a total of 297 mental disorders. [5]
The ICD also contains diagnostic criteria, but for the most part, therapists use those in the DSM. This structure has been criticized, with people wondering why there should be two separate systems for classification of mental disorders. It has been proposed that the ICD supersede the DSM. [4]
Support for the dimensional model comes from the fact that high-scorers on measures of schizotypy may meet, or partially fulfill, the diagnostic criteria for schizophrenia spectrum disorders, such as schizophrenia, schizoaffective disorder, schizoid personality disorder and schizotypal personality disorder.
(The condition, according to UC Berkeley Professor of Psychology Stephen Hinshaw, "is a combination of the thought disorders of schizophrenia (which can mean hallucinations for example) with the ...