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Q. Give a brief account of the biological model of abnormality and consider its strengths and limitations. (18 marks)
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Q. Give a brief account of the biological model of abnormality and consider its strengths and limitations. (18 marks) This model uses physical illness as a model for psychological disorder, suggesting that like physical illness, mental illness has an underlying bodily cause. It proposes that genetic, organic or chemical disorders cause metal illnesses which give rise to behavioural and psychological problems. Thus, abnormality has physical causes such as brain dysfunction (neurological), biochemical imbalances, infections or genetics and so can only be cured through medical treatments. Therefore it implies that abnormality results from properly functioning physiology, a properly functioning nervous system and no genetic predispositions to inherit mental disorders. It is the dominant model, as medical practitioners naturally favour it; but it has been expanded upon by the diathesis-stress model, which seeks abnormality as an interaction of genetic predisposition and the environment. The biological model has positive ethical implications in removing the...
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