DLPFC vs. MC (IMAGE) Medical University of South Carolina Caption The motor cortex is located near the middle of the skull, and the DLPFC is closer to the front. An electromagnetic coil is then placed against the head, and magnetic pulses are painlessly and noninvasively sent through the skull to stimulate nerve cells in the brain. Credit Hanlon Lab Usage Restrictions None 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.