The two types of procedures used to treat Parkinson's are deep brain stimulation (DBS) and ablative procedures.
Ablative procedures, such as thalamotomy and pallidotomy use cold or heat to destroy tissue in a part of the brain that is abnormally overactive in Parkinson's patients. Surgery performed on one side of the brain affects the other side of the body.
With deep brain stimulation (DBS), a thin electrode is implanted in the brain and attached to a battery-operated neurostimulator, which acts much like a heart pacemaker. It sends impulses to correct abnormal brain activity.
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