Motor Homunculus (IMAGE) Emory Health Sciences Caption Black indicates neck area of motor cortex identified by Penfield + Rasmussen in 1950. Red indicates neck area identified by other studies, including Prudente et al 2015. Credit <i>Journal of Neuroscience</i> Usage Restrictions To be used in reference to <i>Journal of Neuroscience</i> paper. 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.