DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Deep brain stimulation surgery. Close-up of preparations for electrode insertion during deep brain stimulation (DBS) surgery on a 59-year-old man with Parkinson's disease. This neurosurgical treatment involves the placement of an implanted pulse generator (IPG) in the chest, which sends electrical impulses to specific areas of the brain through electrodes implanted below the scalp and inserted through the skull. The electrodes provide continuous electrical stimulation, which blocks the signals that cause the tremors of Parkinson's disease.
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