Rush Neurologist Gian Pal, MD, MS (IMAGE) Rush University Medical Center Caption Rush Neurologist Gian Pal, MD, MS, the primary investigator for the National Institute of Health-funded clinical study Parkinson disease and DBS: cognitive effects in GBA mutation carriers Credit Rush Photo Group 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.