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DSM-IV-TR: Diagnostic criteria for schizophrenia:- what the professional psychiatrists use to diagnose you as schizophrenic

DSM-IV-TR:
Diagnostic criteria for schizophrenia:

A. Characteristic (active-phase) symptoms:

Two (or more) of the following, each present for a significant portion of time during a 1-month period (or less if successfully treated):

Delusions
Hallucinations
Disorganized speech (e.g., frequent derailment or incoherence)
Grossly disorganized or catatonic behavior
Negative symptoms, i.e., affective flattening, alogia (poverty of speech), or avolition (lack of motivation)

Note: Only one Criterion A symptom is required if:

delusions are bizarre or

hallucinations consist of a voice keeping up a running commentary on the person’s behavior or thoughts, or two or more voices conversing with each other.

B. Social/occupational dysfunction:

For 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).

C. Duration:

Continuous signs of the disturbance persist for at least 6 months.

This 6-month period must include:

at least 1 month of symptoms (or less if successfully treated) that meet Criterion A (i.e., active-phase symptoms) and may include periods of prodromal (symptomatic of the onset) or residual symptoms.
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). Continue reading

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