Singing Mice Show Signs of Learning (image) Duke University Caption This image shows the motor cortex neurons that directly project to the brainstem and ultimately control the larynx of male mice. Credit Credit: Gustavo Arriaga and Erich Jarvis, Duke. 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.