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Deep Brain Stimulation for Gait Disturbance in Parkinson’s Disease

Parkinson’s disease is a progressive disorder of the nervous system caused by the loss of dopamine-producing brain cells. Gait disturbance and balance impairment are some of the most incapacitating symptoms of this condition. Several clinical studies have shown that electrical stimulation of the pedunculopontine tegmental nucleus (PPTg), an area of the brain involved in many…