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Schizophrenia Notes

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Schizophrenia

Treby - "schizophrenia is characterised by psychosis - a loss of contact with reality"

Clinical characteristics:

Prevalence is about 1% of the population in the world Broken down into positive symptoms (type I) and negative symptoms (type II)

Symptoms:

Positive o Where something is added to your personality
 E.g. delusions or beliefs that seem real but aren't
 E.g. feeling they are being controlled by something (or OCD?)
 E.g. auditory or visual hallucinations (or normal experience?)
 E.g. disordered thinking - the idea that thoughts have been inserted into your mind Negative o Where something is removed from your personality
 E.g. affective flattening - lack of emotion (or personal experiences?)
 E.g. alogia - poverty of speech (or just shy?)
 E.g. avolition - having no drive to do anything (or tired?) Problems o What is a normal person? How can you tell if something has been added or taken away?
o Could be something else causing the symptoms rather than schizophrenia o Negative symptoms can overlap with depression o Subjective

Different types of schizophrenia:

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