Psychosis

Psychosis Type

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Psychosis Type, Schizophrenia Type, Catatonic Schizophrenia, Disorganized Schizophrenia, Paranoid Schizophrenia, Residual Schizophrenia

  1. Paranoid Schizophrenia
    1. Delusions
    2. Frequent Auditory Hallucinations
    3. Intact cognitive function and affect
  2. Disorganized Schizophrenia
    1. Disorganized Speech and behavior
    2. Inappropriate or flat affect
  3. Catatonic Schizophrenia (2 or more of the following)
    1. Immobility (stupor or catalepsy)
    2. Posturing, grimacing or other mannerisms
    3. Stereotyped movements (excessive and purposeless)
    4. Echolalia or Echopraxia
    5. Extreme Negative Symptoms in Psychosis
      1. Resistance to instructions
      2. Rigid Posture
      3. Mutism
  4. Residual Schizophrenia
    1. Persistent Negative Symptoms in Psychosis
      1. Poverty of speech
      2. Flat affect
    2. Attenuated Positive Symptoms in Psychosis
      1. Mild Hallucinations or Delusions
      2. Eccentric behavior
      3. Odd beliefs
      4. Mildly Disorganized Speech
  5. Undifferentiated Schizophrenia
    1. Not paranoid, disorganized, or catatonic type
  • Model
  • Alternative Three-Factor Classification
  1. Type
    1. Psychotic
    2. Disorganized
    3. Negative (deficit)
  2. Severity
    1. Absent
    2. Mild
    3. Moderate
    4. Severe
  • References
  1. (2013) DSM V, American Psychiatric Association, p. 99
  2. (2000) DSM IV, American Psychiatric Association, p. 297-343
  3. Freedman (2003) N Engl J Med 349:1738-49 [PubMed]
  4. Schultz (2007) Am Fam Physician 75:1821-9 [PubMed]