Cortical Thickness (IMAGE) Radiological Society of North America Caption There are significant cortical thickness differences among the three groups. All regions survived clusterwise-correction (p<0.001). Credit Radiological Society of North America Usage Restrictions May use with 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.