Biological Explanations of Schizophrenia 0.0 / 5 ? PsychologySchizophreniaA2/A-levelAQA Created by: EllieCreated on: 21-03-15 18:05 What could the causes of Schizophrenia be? Genetics, biochemistry, neuroanatomy and viral infection 1 of 10 What supports genetics being the cause of Schizophrenia? The family/twin studies 2 of 10 What did Gottesman look at? Concordance rates of Schizophrenia in families 3 of 10 If one identical twin has Schizophrenia, what is the likelihood of the other twin also having Schizophrenia? 48% 4 of 10 What did Gottesman conclude? The more closely related you are genetically to someone who has Schizophrenia, the higher the chance you also have of getting it 5 of 10 What did Kendler et al find? Relatives of Schizophrenics are 18 times more likely to also get the disorder 6 of 10 What is the main issue associated with the family studies? It's hard to separate biological and environmental factors 7 of 10 What did the twin studies look at? Separating the environment from genetic influences in Schizophrenia 8 of 10 What did Gottesman and Shield find in a twin study? They found the concordance rate of Schizophrenia in reared MZ twins was 58% 9 of 10 What did Cardno et al look at? Looked at MZ and DZ twins reared apart - concordance rates for MZ twins were 40% and 5.3% for DZ 10 of 10
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