CLAUS LUNAU / SCIENCE PHOTO LIBRARY CLAUS LUNAU / SCIENCE PHOTO LIBRARY
Deep brain stimulation. Illustration of the neurosurgical treatment deep brain stimulation (DBS), which involves the implantation of a brain pacemaker (under skin on chest), which sends electrical impulses to specific areas of the brain through an electrode (implanted below scalp). The device placed in the chest is known as an implanted pulse generator (IPG). DBS was developed for the treatment of patients with Parkinson's disease, but is being investigated for use in other conditions. The electrodes provide continuous electrical stimulation, which blocks the signals that cause the tremors of Parkinson's disease.
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