Bubbles Contribute to Brain Injuries (IMAGE) Iowa State University Caption This illustration shows how head trauma can create microbubbles in the skull that collapse and damage nearby brain cells. Credit Illustration by Mica Post Usage Restrictions None 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.