Schizophrenia classification: Difference between revisions
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==Classification Based on Subtypes== | ==Classification Based on Subtypes== | ||
*Historically, [[schizophrenia]] in the West was classified into simple, [[catatonia|catatonic]], hebephrenic (now known as [[Disorganized schizophrenia|disorganized]]), and [[Paranoid personality disorder|paranoid]]. | |||
*The [[Diagnostic and Statistical Manual of Mental Disorders|DSM- IV]] contains five sub-classifications of schizophrenia: Paranoid, disorganized, catatonic, undifferentiated and residual type, but, this classification has been eliminated due to their limited diagnostic stability, low reliability and poor validity. | *The [[Diagnostic and Statistical Manual of Mental Disorders|DSM- IV]] contains five sub-classifications of schizophrenia: Paranoid, disorganized, catatonic, undifferentiated and residual type, but, this classification has been eliminated due to their limited diagnostic stability, low reliability and poor validity. | ||
*According to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, (DSM-V, to meet the criteria for [[diagnosis]] of [[schizophrenia]], the patient must have experienced at least 2 (or more) of the following [[symptoms]]: | *According to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, (DSM-V, to meet the criteria for [[diagnosis]] of [[schizophrenia]], the patient must have experienced at least 2 (or more) of the following [[symptoms]]: | ||
Delusions | **Delusions | ||
Hallucinations | **Hallucinations | ||
Disorganized speech | **Disorganized speech | ||
Disorganized or catatonic behavior | **Disorganized or catatonic behavior | ||
Negative symptoms | **Negative symptoms | ||
At least 1 of the symptoms must be the presence of delusions, hallucinations, or disorganized speech. | **At least 1 of the symptoms must be the presence of delusions, hallucinations, or disorganized speech. | ||
*Continuous signs of the disturbance must persist for at least 6 months, during which the patient must experience at least 1 month of active symptoms (or less if successfully treated), with impairment in social, occupational and other significant areas of functioning. The symptoms are not attributable to any other psychiatric , medical or substance use disorder. | *Continuous signs of the disturbance must persist for at least 6 months, during which the patient must experience at least 1 month of active symptoms (or less if successfully treated), with impairment in social, occupational and other significant areas of functioning. The symptoms are not attributable to any other psychiatric , medical or substance use disorder. | ||
Revision as of 15:46, 8 March 2018
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Vindhya BellamKonda, M.B.B.S [2]
Classification Based on Subtypes
- Historically, schizophrenia in the West was classified into simple, catatonic, hebephrenic (now known as disorganized), and paranoid.
- The DSM- IV contains five sub-classifications of schizophrenia: Paranoid, disorganized, catatonic, undifferentiated and residual type, but, this classification has been eliminated due to their limited diagnostic stability, low reliability and poor validity.
- According to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, (DSM-V, to meet the criteria for diagnosis of schizophrenia, the patient must have experienced at least 2 (or more) of the following symptoms:
- Delusions
- Hallucinations
- Disorganized speech
- Disorganized or catatonic behavior
- Negative symptoms
- At least 1 of the symptoms must be the presence of delusions, hallucinations, or disorganized speech.
- Continuous signs of the disturbance must persist for at least 6 months, during which the patient must experience at least 1 month of active symptoms (or less if successfully treated), with impairment in social, occupational and other significant areas of functioning. The symptoms are not attributable to any other psychiatric , medical or substance use disorder.
- If there is a history of autism spectrum disorder or a communication disorder of childhood onset, diagnosis of schizophrenia is made only if prominent delusions or hallucinations,in addition to the other required symptoms of schizophrenia, are also present for at least 1 month(or less if successfully treated)