ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Parkinson's brain pacemaker. Coloured frontal computed tomography (CT) scan of a section through the head of a 54-year-old patient with Parkinson's disease, showing electrodes (black lines) of a deep brain stimulator (DBS, not shown) implanted in the thalamic regions of the brain. The DBS 'brain pacemaker' sends electrical impulses to the electrodes implanted in the brain in order to treat the motor symptoms of Parkinson's disease.
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