Erik Altmann, Michigan State University (IMAGE) Michigan State University Caption A study by Erik Altmann, Michigan State University associate professor of psychology, found that brief interruptions doubled the error rate for participants performing a sequential task. 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.