ADHD and disruptive behaviour disorders (IMAGE) University of Barcelona Caption The research team identified a genomic segment in the chromosome 11 which increases the risk of having ADHD combined with DBD. Credit Nature Communications Usage Restrictions The image may only be used with appropriate caption or credit. 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.