Figure 3 (IMAGE) Radiological Society of North America Caption Location diagrams and relationship scatterplot of the left precuneus and the posterior portion of corpus callosum of the regions that were found to be significant in this study. Scatterplot shows the averaged cortical thickness in the left precuneus and volume of the posterior portion of corpus callosum for patients with PTSD. 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.