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  • A kind of medical treatment whereby portions of the brain are removed to treat psychological disorders. Historically, this started with prefrontal lobotomies, a surgical procedure where the nerves that connect the frontal lobe to the rest of the brain were cut to treat patients who were agitated, manic, or violent. The first systematic attempt at psychosurgery was conducted by Egas Moniz, who performed a prefrontal lobotomy in 1935. Currently, this procedure is considered medically inappropriate as there are a number of less invasive procedures available, such as psychiatric medication and electroconvulsive therapy. Additionally, specific regions of the brain can be destroyed through ultrasonic irradiation. For example, certain nerve fibers can be deactivated for people afflicted with uncontrol lable seizures. It is used sparingly with ...

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