PSYC 235 Lecture Notes - Lecture 2: Avolition, Dementia Praecox, Emil Kraepelin
10 Apr 2016
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Schizophrenia: a psychotic disorder that may involve characteristic disturbances in thinking perception speech, emotions and behaviour. Germ psychiatrist emil kraepelin has two major accomplishments in studying this disorder: combing several symptoms of insanity that used to be viewed as separate. Paranoia: delusions of grandeur or persecution: distinguishing what he referred to as dementia praecox from manic-depressive illness. People with dementia praecox had to have an early age on onset and poor outcome. A diagnosis of schizophrenia requires two or more positive, negative, or disorganized symptoms to be present for at least one month, including one of those symptoms being delusions hallucinations or disorganized speech. The dsm 5 also rates the individuals symptoms on a scale from 0-4. Positive symptoms: more overt symptoms such as delusions or hallucinations. Delusion: a disorder of thought content and presence of strong beliefs that are misrepresentations of reality. (often with themes of paranoia guilt or self reference: heightened salience jumping o conclusions confirmatory bias.
