Hippocampus (IMAGE) IDIBELL-Bellvitge Biomedical Research Institute Caption In pink is the location and structure of the brain hippocampus, the region where the epigenetic lesion was found in Alzheimer's patients. Credit IDIBELL 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.