This image illustrates changes in prefrontal brain activity when the subthalamic nucleus (STN) is stimulated at: high frequencies (right head), not stimulated at all (left head), or stimulated at 4 Hz (middle head).

Faculty members who are part of the Aging Mind and Brain Initiative at the University of Iowa played a major role in this study.  Read more about this study in which Nandakumar Narayanan and Jan Wessel are involved.