If there is a history of autistic disorder or another pervasive developmental disorder, the additional diagnosis of schizophrenia is made only if prominent delusions or hallucinations are also present for at least a month (or less if successfully treated). Relationship to a pervasive developmental disorder The disturbance is not due to the direct physiological effects of a substance (e.g., a drug of abuse, a medication) or a general medical condition.į. Substance/general medical condition exclusion Schizoaffective disorder and mood disorder with psychotic features have been ruled out because either (1) no major depressive, manic, or mixed episodes have occurred concurrently with the active-phase symptoms or (2) if mood episodes have occurred during the active-phase symptoms, their total duration has been brief relative to the duration of the active and residual periods.Į.
Schizoaffective and mood disorder exclusions During these prodromal or residual periods, the signs of the disturbance may be manifested by only negative symptoms or two or more symptoms listed in criterion A present in an attenuated form (e.g., odd beliefs, unusual perceptual experiences).ĭ. This six-month period must include at least one month of symptoms (or less if successfully treated) that meet criterion A (i.e., active-phase symptoms) and may include periods of prodromal or residual symptoms. Negative symptoms (i.e., affective flattening, alogia, or avolition)įor a significant portion of the time since the onset of the disturbance, one or more major areas of functioning, such as work, interpersonal relations, or self-care are markedly below the level achieved prior to the onset (or when the onset is in childhood or adolescence, failure to achieve expected level of interpersonal, academic, or occupational achievement).Ĭontinuous signs of disturbance persist for at least six months. Grossly disorganized or catatonic behavior Two or more of the following, * each present for a significant portion of time during a one-month period (or less if successfully treated):ĭisorganized speech (e.g., frequent derailment or incoherence)
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