Chad Dickey, University of South Florida (IMAGE) University of South Florida (USF Health) Caption Chad Dickey, Ph.D., associate professor of molecular medicine at the USF Health Byrd Alzheimer's Institute, University of South Florida, was the principal investigator for the study. Credit © University of South Florida Usage Restrictions Please use with appropriate caption. 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.