Where to implant the electrode?
Target sites for brain stimulation in Parkinson's disease There are two main target sites for deep brain stimulation as a symptomatic treatment for Parkinson's: the subthalamic nucleus (STN) and a nucleus called the internal globus pallidus (GPI). DBS surgeries for these two nuclei have existed since the last century with significant success rates, but there is a "debate" as to whether there is a preference for one over the other in terms of effectiveness and in terms of side effects [...]