Marianne S. Matthias, Indiana University (IMAGE) Indiana University Caption Regenstrief Institute investigator Marianne S. Matthias, Ph.D. is a VA research scientist and an adjunct assistant professor of communication studies in the School of Liberal Arts at Indiana University-Purdue University Indianapolis. Credit Regenstrief Institute 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.