Aggressive Children (IMAGE) University of Iowa Caption A University of Iowa-led research team has identified a brain-wave marker responsible for aggression in young children. The finding could lead to earlier identification of toddlers with aggressive tendencies before the behavior becomes more ingrained in adolescence. Credit Tim Schoon, University of Iowa 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.