Classification of SZ

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  • Some symptoms need to have been present for one month and others for at least six months
  • DISORGANISED - symptoms include disorganised and unintelligable speech, bizarre behaviour, absence of emotion (flat effect), social withdrawal and apparent loss of interest in everyday life
  • CATATONIC - either excessive motor activity (grimacing, repeating again and again what another says, copying the movement of others) or fixed, rigid posure for hours on end (catatonic stupor)
  • PARANOID - delusions and hallucinations are common. Typically the delusions are of grandeur and/or persecution. No disorganised speech or catatonic behaviour. Cognitive and emotional responses not…


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