Jeff Elias, MD, University of Virginia Health System (image) University of Virginia Health System Share Print E-Mail Caption Jeff Elias, MD, of the University of Virginia Health System, pioneered the use of focused ultrasound for essential tremor, the most common movement disorder, and is now testing it for Parkinson's tremor. Credit UVA Health System Usage Restrictions May be used to accompany news coverage of the Parkinson's trial findings. All other uses require express written permission from UVA Health System. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.