Deep Brain Stimulation Surgery (IMAGE) Oregon Health & Science University Caption Kim Burchiel, M.D., (center), past chair and professor of neurosurgery in the OHSU School of Medicine, conducts a deep brain stimulation surgery at OHSU. A new study reveals no demonstrable difference in clinical outcomes between surgeries conducted while the patient is asleep versus awake. Credit OHSU Usage Restrictions None License Licensed content 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.