Eric Smith (IMAGE) McMaster University Caption Eric Smith, who co-authored the paper, is a neurologist, scientist and an associate professor of clinical neurosciences at the University of Calgary. Credit University of Calgary Usage Restrictions None. License Original 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.