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Displayed are the visual stimuli, their duration, and their temporal order during a typical trial (from left to right). Participants are required to maintain gaze in the center of the screen for the first two screens. In the third screenshot (cue period), a saccade 8° (deg) from the fixation point in the opposite direction of the cue is required. Arrows indicate initial gaze refixation during the cue period; a saccade to the donut is considered an error. COR, Correct; ERR, error.
