Extinction Neurons in the Hippocampus (IMAGE) University of Texas at Austin Caption The researchers were surprised to find that brain cells that suppress fear memories hide in the hippocampus. Credit University of Texas at Austin 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.