HLTHAGE 1CC3 Lecture Notes - Lecture 4: Emil Kraepelin, Eugen Bleuler, Dementia Praecox
5 Nov 2016
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Chronic affective and emotional disturbances: blunted affect (tone of voice or look on face, anhedonia (inexperience to experience pleasure) May extend to physical (taste touch: asociality (might stop going out with friends, avolition (might stop brushing teeth or showering), alogia (severely reduced speech, poverty of content) Disorganized speech: derailment (shifting topics abruptly, tangentialitly (responding w/ irrelevant response, perseveration (using same word repeatedly, word salad", neologisms. How long as it existed: hippocrates described a girl who in some cases said dreadful things. Also explains persistence despite low fertility: term invented in 1908, wasn"t till 1980s. Kraepelin: various symptoms that had been classified as distinct disorders should be grouped together dementia praecox: schizophrenia a brain disorder. Bleuler: didn"t always start in adolescence nor result in dementia proposed schizophrenia (split mental associations: considered negative symptoms far more important than positive symptoms. Schizophrenia is not a single disease (many variations) Elimination of subtypes (paranoid, catatonic, etc: low reliability, poor validity (predicting outcome)
