WRIGHT-PATTERSON AIR FORCE BASE, Ohio (Dec. 10, 2020) Naval Medical Research Unit Dayton�s Naval Aerospace Medical Research Laboratory (NAMRU-Dayton/NAMRL) is addressing the human performance needs of the warfighter by investigating the impacts of cognitive fatigue on attentional control and associated neural activity. During testing, researchers use a headband-like device placed over the participant�s forehead to monitor activity in a region of the brain involved in attention, the prefrontal cortex. (U.S. Navy photo by Megan Mudersbach)