Sub-types of Schizophrenia

(1)   Simple Schizophrenia

·        Slow and gradual onset (Late adolescence)

·         Symptoms
-  Social deterioration
- Apathy
- Loss of drive and interest
-Performance decline
-Social skills difficulties

·         Recognized in ICD but not in DSM

(2)    Hebepherenic (Disorganised) Schizophrenia

·         Slow and gradual onset (Early Twenties)

·         Typically progressive and irreversible

·         Most first rank and behavioural characteristics displayed

(3)    Catatonic Schizophrenia

·         Severe and sudden onset (usually in early adulthood)

·         Principal disturbance in psychomotor (e.g. agitated catatonia, elective mutism, waxy flexibility)

·         Often accompanied by ‘negativism’

(4)    Paranoid Schizophrenia

·         Gradual onset (usually mid-thirties)

·         Principal disturbances are delusions and hallucinations

·         Much less disturbed in other respects

(5)    Undifferentiated Schizophrenia

·         Also known as ‘atypical’

·         A catch-all category for those not easy to classify