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Chris wrote: > Bob, you wrote: > > > Chris, > > > > Because damage to the subthalamic nucleus can produce a syndrome > > called "hemiballismus" which is a terribly disabling condition > > associated with wild and uncontrollable movements of one side of the > > body. Hemiballismus is much worse than Parkinson's disease. > > My answer: > > However, hemiballism does NOT occur in patients with Parkinson's disease > who receive STN stimulation, at least in my patients and patients from > centers I now about, such as the center in Grenoble, Paris, Vienna and > Barcelona. > > Chris > Chris, I don't disagree with you. The key word is *stimulation*. It is *injury* to the STN than can produce hemiballismus, and any time one is putting electrodes into tissue, there is a risk of injury. Best, Bob ********************************************** Robert A. Fink, M. D., F.A.C.S., P. C. 2500 Milvia Street Suite 222 Berkeley, California 94704-2636 Telephone: 510-849-2555 FAX: 510-849-2557 WWW: <http://www.dovecom.com/rafink/> mailto:[log in to unmask] "Ex Tristitia Virtus" *********************************************