(IMAGE) Tokyo Medical and Dental University Caption (A) Group comparison of small-worldness. (B) Correlation between the Peters et al. Delusions Inventory (PDI) scores and small-worldness. r, correlation coefficient; p, p-value. Credit Department of Psychiatry and Behavioral Sciences, TMDU 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.