Loneliness (IMAGE) Dartmouth College Caption Loneliness was associated with lower self-other similarity in the medial prefrontal cortex (MPFC). Less self-other similarity in MPFC with greater loneliness was observed when participants thought about either their friends, acquaintances, or celebrities. Credit Figure provided by Andrea L. Courtney and Meghan L. Meyer 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.