Douglas Gentile, Iowa State University (IMAGE) Iowa State University Caption Douglas Gentile, an associate professor of psychology at Iowa State, is co-author of a new study, published in the journal Aggressive Behavior, finding that onscreen relational aggression may prime the brain for aggression. Credit Photo by Bob Elbert, Iowa State University News Service 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.