(IMAGE) National Center of Competence in Research Synapsy Caption The cerebral microstate D is the most pronounced among people with ADHD and could be used as a non-invasive functional biomarker. This is a notable advance for assessing this very common and diverse psychiatric disorder. Credit @Ros/UNIGE/CIBM/HUG Usage Restrictions No restrictions. License Public Domain 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.