Duke Han, PhD (IMAGE) Keck School of Medicine of USC Caption Duke Han, PhD, Director of Neuropsychology in the Department of Family Medicine, Keck School of Medicine of USC Credit USC Photo/Ricardo Carrasco III 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.