John Carlson, Michigan State University (IMAGE) Michigan State University Caption John Carlson, associate professor of school psychology at Michigan State University, co-authored a study that argues minority children face barriers in receiving effective treatments for ADHD. Credit Michigan State University 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.