Hippocampus (IMAGE) Max-Planck-Gesellschaft Caption Depressive patients carrying the risk allele show volume reduction in certain regions of the hippocampus. Credit MPI for Psychiatry 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.