Video: Discovering Purpose - Gemma Casadesus Smith Share Share by Email Gemma Casadesus Smith, Ph.D., an associate professor of biological sciences at žžÀ², talks about memory loss and what she is doing to help prevent it. POSTED: Friday, March 23, 2018 03:48 PM UPDATED: Friday, December 09, 2022 02:27 AM WRITTEN BY: University Communications and Marketing