Mouse Brain Vocalization Center (IMAGE) Duke University Caption Green fluorescent proteins mark the location of neurons in the mouse's mid-brain that are integral to vocalizations for wooing. Credit Mooney Lab, Duke University Usage Restrictions Must Credit Duke University 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.