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In the past diagnosing
schizophrenia was notoriously
unreliable. However, with the
introduction of the DSM-IV we now
have a list of types of schizophrenia
along with the clinical
characteristics of the disorder.…read more

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Types of Schizophrenia
According to the DSM-IV there are five types of schizophrenia:
Disorganised schizophrenia ­ this type involves great
disorganisation, including delusions, hallucinations, incoherent
speech and large mood swings.
Catatonic schizophrenia ­ the main feature is almost total
immobility for hours at a time, with the patient simply staring
Paranoid schizophrenia ­ this type involves delusions of various
kinds (e.g. delusions of grandeur). They can read personal
significance into other people's trivial actions and they tend to be
argumentative, angry and sometimes violent.
Undifferentiated schizophrenia ­ this is a broad category which
includes patients who do not clearly belong in any other category.
Residual schizophrenia ­ this type consists of patients who are only
experiencing mild symptoms.…read more

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Clinical Characteristics of Schizophrenia
According to the DSM-IV the CLINICAL
CHARARESTICS of schizophrenia are:
A. Characteristic symptoms: two or more of the
following each present for much of the time duration
Positive symptoms: Delusions, Hallucinations, Disorganized
speech, Catatonic Behaviour (rigidity)
Negative symptoms: affective flattening (decline in emotional
response), alogia (lack of speech), avolition (decline in
motivation)…read more

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Clinical Characteristics of Schizophrenia
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.
C. Duration: Continuous signs of the disturbance
persists for at least SIX MONTHS. This six month
period must include at least one month of symptoms.…read more


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