Mouse Brain (IMAGE) Duke University Caption In this blue cross-section of a mouse brain, two colors of fluorescent dye trace the premotor neurons that close the jaw and stick out the tongue, revealing how the brain is wired to coordinate these muscles during chewing, drinking, and vocalizing. Credit Fan Wang Lab, Duke University Usage Restrictions Please Credit: Fan Wang Lab, 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.