Art I've read that too, although I'm not sure where. As the Parkinson's progresses beyond the point of the Pallidotomy to control it, a DBS is indicated and has proven useful. At least according to the article I read. Sincerely Chris Tittle ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn