DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
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CT scan during deep brain stimulation surgery. Parkinson's disease being scanned in a computed tomography (CT) scanner during deep brain stimulation (DBS) surgery. 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. The CT scan is carried out to check for correct placement of the electrodes.
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