Locus Coeruleus location (IMAGE) University of Southern California Caption Blue indicates the location of the locus coeruleus region in the brainstem. Credit Brain illustration: shutterstock.com/Tefi Usage Restrictions Include credit 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.