REM Sleep & Fear (IMAGE) Society for Neuroscience Caption More time in Rapid-Eye-Movement sleep predicted less connectivity between key brain regions that are involved in fear learning. Credit Itamar Lerner and Shira Lupkin 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.