Different Causes and Types of Schizophrenia

Types and Causes of Schizophrenia

What is Schizophrenia?

A group of disorders manifested by fundamental disturbances or distortions in thinking, mood and behaviour, last for at least a month of active phase symptoms like delusions, hallucinations, disorganized speech, grossly disorganized or catatonic behaviour, negative symptoms such as shallow or flat affect, alogia or avolition and incongruous mood.

Acute schizophrenia may present with disturbed behaviour, marked delusions, hallucinations and disordered thinking, or with insidious social withdrawal and less obvious delusions and hallucinations.

Disturbance in thinking is marked by alteration of concept formation, which may lead to misinterpretation of reality, hallucinations and delusions. Mood changes include ambivalent, constricted, inappropriate emotional responsiveness, or blunted effect. Lack of empathy with others disturbance in behavior may be withdrawn, regressive and bizarre.

Classification of Schizophrenia According to (ICD-10: Fro-F20 – F29):

• F20- Schizophrenia,
• F20.0- Paranoid Schizophrenia,
• F20.1- Hebephrenic Schizophrenia,
• F20.2- Catatonic Schizophrenia,
• F20.3- Undifferentiated Schizophrenia,
• F20.4- Post schizophrenic depression,
• F20.5- Residual Schizophrenia,
• F20.6- Simple Schizophrenia,
• F20.8- Other Schizophrenia,
• F20.9- Unspecified Schizophrenia.

Or,

1. Paranoid schizophrenia,
2. Catatonic schizophrenia,
3. Hebephrenic schizophrenia (Disorganized type),
4. Residual schizophrenia,
5. Undifferentiated schizophrenia,
6. Simple schizophrenia.

Classifications of Schizophrenia:

1. Acute schizophrenia.
2. Chronic schizophrenia.

Another classification:

A. Positive schizophrenia (Type-I):

Is characterized by acute onset, prominent delusions and hallucinations, normal brain structure, a good response to neuroleptics.

B. Negative schizophrenia (Type-II):

Is characterized by a slow, insidious onset, a relative absence of acute symptoms and the presence of apathy social withdrawal /lack of motivation, underlying brain structure abnormalities, and poor neuroleptic response.

Main Causes of Schizophrenia:

More questions related to this article:

• Define schizophrenia.
• What is schizophrenia?
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• What is the definition of schizophrenia?
• What are types of schizophrenia?
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