this video is dated May 2008 but shows that at Vanderbilt they don't use the "iron halo" anymore. Its about an hour long, but very informative with lecture/discussion and DBS surgery. I can't believe I had this done twice!! Ray http://www.parkinsonsmed.com/2009/04/video-lecture-on-dbs-from-vanderbilt.html Rayilyn Brown Director AZNPF Arizona Chapter National Parkinson Foundation [log in to unmask] ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn