Graph of Responses (image) National Institutes of Natural Sciences Share Print E-Mail Caption The right part of the brain of typically developing children responded to both happy and angry faces. On the other hand, the brain of children with ADHD did not respond to the angry face, while it responded to the happy face. Credit © National Institutes of Natural Sciences Usage Restrictions The image may only be used with appropriate credit. 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.