britney psych 11 - Early Stages of Schizophrenia Psychology...

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Early Stages of Schizophrenia Psychology
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Biological perspective Intergenerational transmission of disorder known since 18th c. In 1960s sophisticated studies provided scientific basis 2
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Family studies Child of 1 parent w/schz: 13% Child of 2 parents w/schz: 46% General population: 1-2% Person w/1st degree relative w/schz: 10x more likely Important to keep in mind potential role of shared environment in families 3
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Twin studies MZ twins: 46% DZ twins: 14% MZ-DZ concordance difference is if index twin has prominent negative symptoms than when index twin has positive symptoms There may still be environmental factors in utero 4
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Adoption studies Adopted children who later become schizophrenic, much more likely to have biological, rather than adoptive, relatives who have schizophrenia Persuasive evidence for genetic component of schizophrenia 5
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Brain imaging studies PET: measures brain functioning
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This note was uploaded on 04/05/2011 for the course PSYCH 3140 taught by Professor Staff during the Fall '11 term at Georgia State University, Atlanta.

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britney psych 11 - Early Stages of Schizophrenia Psychology...

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