The impairing effects of mental fatigue on visual sustained attention were assessed by event-related potentials (ERPs). Subjects performed a dual visual task. which includes a continuous tracking task (primary task) and a random signal detection task (secondary task). for 63 minutes nonstop in order to elicit ERPs. https://www.roneverhart.com/Akaada-Platform-Penny-Loafers-Yoko-Ivory-Patent-Leather-Size-36-NEW/