Lecture18-M50,51

Lecture18-M50,51 - Module 50 Schizophrenia Split from...

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Module’50: Schizophrenia Split’from’reality’and’from’self Causes’of’symptoms: Brain:’Dopamine Overac0vity Abnormal’brain’anatomy and’ac0vity Maternal’virus’during pregnancy Associated’genes Social-Psychological influences Schizophrenia’symptoms: Disorganized’Thinking, Delusions Disturbed’Percep0ons: Hallucina0ons Unusual’Emo0ons’and Ac0ons,’including’flat afect,’and’catatonia Subtypes Onset’and’course
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Schizophrenia: the’mind’is’split’from’reality,’e.g. a’split’from’one ±s’own’thoughts so’that’they’appear’as hallucina0ons. Psychosis ’refers to’a’mental’split from’reality’and ra0onality. Schizophrenia symptoms’include: disorganized and/or’delusional thinking. disturbed percep0ons. inappropriate emo0ons’and ac0ons. Posi;ve’+ presence’of problema0c behaviors Nega;ve’- absence’of healthy behaviors Hallucina0ons’(illusory percep0ons),’especially auditory Delusions’(illusory beliefs),’especially persecutory Disorganized’thought’and nonsensical’speech Bizarre’behaviors Flat’a²ect’(no’emo0on showing’in’the’face) Reduced’social’interac0on Anhedonia’ (no’feeling’of enjoyment) Avoli0on’ (less’mo0va0on, ini0a0ve,’focus’on’tasks) Alogia’ (speaking’less) Catatonia’(moving’less) Posi;ve’and’Nega;ve’Symptoms’of Schizophrenia
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Schizophrenia Symptoms: Problems’in’Thinking’and’Speaking Disorganized’speech , including’the’ “word’salad ” of’loosely’associated phrases Delusions (illusory beliefs) , oUen’bizarre’and’not’just mistaken;’most’common are’ delusions’of’grandeur and’of’ persecu;on Problems’with’selec;ve aFen;on ,’difficulty Fltering’thoughts’and choosing’which’thoughts’to believe’and’to’say’out’loud ?’!’?’! ?’!’?’! People’with’schizophrenia’oUen experience’ hallucina;ons ,’that’is, perceptual’experiences’not shared’by’others. The’most’common’form’of hallucina0on’is’hearing’ voices that’no’one’else’hears,’oUen’with upseZng’(e.g.’shaming)’content. Hallucina0ons’can’also’be’visual, olfactory/smells,’tac0le/touch,’or gustatory/taste. You±re’evil! Am’I’evil? Schizophrenia Symptoms: Disturbed’Percep;ons
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Odd’and’socially’inappropriate responses’such’as’looking’bored or’amused’while’hearing’of’a death Flat’afect :’facial/body expression’is’ “flat”’with’no visible’emo0onal’content Impaired’ percep0on ’of emo0ons,’including’not “reading”’others ±’inten0ons’and feelings Schizophrenia Symptoms: Inappropriate’Emo;ons Odd’and’socially’inappropriate behavior’can’be’caused’by’symptoms such’as: errors’in’social’percep0on.
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Lecture18-M50,51 - Module 50 Schizophrenia Split from...

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