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Describe & evaluate explanations of schizophrenia (1 bioloigcal & 1 psychological).
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| Submitted: Mon Mar 15 2004
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SCHIZOPHRENIA DESCRIBE & EVALUATE EXPLANATIONS OF SCHIZOPHRENIA (1 BIOLOIGCAL & 1 PSYCHOLOGICAL). One explanation of schizophrenia is genetics. Gottesman (1991) summarized about 40 twin studies; the concordance rate was 48% for monozygotic twins, and 17% concordance for dizygotic twins. This suggests that there is a link between genes and schizophrenia, but this does not apply to the whole population, as twins are not typical of the general population. Twin studies only take very small sample sizes. Also the twins share the same environment, which could also be the reason why both twins develop schizophrenia. Gottesman also reviewed concordance rates in family studies. If both your parents have schizophrenia, then you have a 46% chance of developing schizophrenia as well, if one parent has schizophrenia it is 16%, if a sibling has it then the concordance rate is 8% and the concordance rate is 1% for a random individual. This suggests that...
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