A2 - Characteristics of Schizophrenia

This is adapted from the American Psychiatric Association (2000) DSM-IVR criteria for the diagnosis of schizophrenia 

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  • Created by: Sama
  • Created on: 23-01-13 12:20
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  • Clinical characteristics of Schizophrenia (DSM-IVR criteria)
    • Negative Symptoms
      • 1) Affective flattening
        • decrease in the range of emotional expression, including facial expression, voice tone, eye contact and body language.
      • 2)  Alogia
        • poverty of speech, characterised by the decreasing of speech fluency and productivity. This may be because of slowing or blocked thoughts.
      • 3) Avolition
        • the reduction goal- directed behaviour. For example, sitting in the house for hours doing nothing. It is often mistaken for disinterest.
  • Positive symptoms
    • Clinical characteristics of Schizophrenia (DSM-IVR criteria)
      • Negative Symptoms
        • 1) Affective flattening
          • decrease in the range of emotional expression, including facial expression, voice tone, eye contact and body language.
        • 2)  Alogia
          • poverty of speech, characterised by the decreasing of speech fluency and productivity. This may be because of slowing or blocked thoughts.
        • 3) Avolition
          • the reduction goal- directed behaviour. For example, sitting in the house for hours doing nothing. It is often mistaken for disinterest.
    • 1) Delusions
      • bizarre beliefs that seem real to the person with Schizophrenia
    • 2) Experiences of control
      • the person may think they are controlled by an alien force that has invaded their mind and/or body
    • 3) Hallucinations
      • they are bizarre and unreal perception of the environment. They are usually auditory (hearing voices) but may also be visual (seeing lights, objects or faces), olfactory (smelling things) or tactile  (feeling bugs crawling on  or under the skin).
    • 4) Disordered thinking
      • The feeling that thoughts have been inserted or withdrawn from the mind. Sometimes the person may think their thoughts are being broadcast so others can hear them.  Incoherent and loosely associated speech is an indicator of thought disorder.

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