Implanting electrodes for Parkinson's disease. Woman patient with Parkinson's disease during surgery to implant electrodes in her brain. The metal frame around the patient's head enables the surgeon to aim electrodes at sites in the brain. Parkinson's disease results from a degeneration of dopamine-secreting nerve cells in the basal ganglia of the brain. It causes muscle tremor and a rigid posture in the elderly. This treatment involves implanting quadripolar electrodes in the affected brain areas. Fixed permanently by screws on the cranium,the electrodes stimulate the basal ganglia and arrest the trembling of the patient. If the electrodes are removed,trembling resumes | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Pouedras, Catherine / EURELIOS |
Bildgröße: | 3454 px × 2361 px |
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