Fear, Internalized (image) University of Iowa Caption Researchers at the University of Iowa show that the human brain has new regions that sense internally derived fear. The finding comes from tests the team conducted of three women with significant damage to the amygdala (shown in the brain scans by red-dashed circles), which registers fear from external dangers. Credit Iowa Neurological Patient Registry at the University of Iowa Usage Restrictions None 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.