Justin Gass, Medical University of South Carolina (image) Medical University of South Carolina Share Print E-Mail Caption Dr. Gass explains how neurons change in response to different stimuli, for example, repeated alcohol use or traumatic memories. His research may help break the vicious cycle between PTSD and alcohol abuse. Credit J. Ryne Danielson Usage Restrictions Credit must be given to MUSC and J. Ryne Danielson Share Print E-Mail 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.