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The biological approach assumes that behaviours and personalities are biologically determined and therefore psychological problems that are caused by physical factors require physical treatments.

Psychosurgery is a physical treatment that aims to treat abnomal behaviour. It uses surgical equipment to permanently damage connective tissue in the brain that was considered the cause of the abnormal behaviour. It aims to improve the quality of life to those who suffer from psychological disorders by creating legions in the frontal cortex. It aims to sever the brain circuits that control emotions and emotional responses in hopes that the interruption will cut the circuits off and therefore treat the abnormal behaviour. Overall, psychosurgery aims to give some quality of life to a patient who ability to function normally has been severely restricted by their disorder.

The original technique was to create legions in the frontal cortex by drilling a…


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