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Schematic of the pro- and anti-saccade tasks. Each trial began with the presentation of a fixation point at the center of the screen, which participants are required to fixate, and to make either a prosaccade or antisaccade depending on the task rule. Immediate pro-saccade task: A-D; Immediate anti-saccase task: A-E; Gap pro-saccade task: A-F-D; Gap ant-saccade task: A-F-E; overlap pro-saccase task: A-B; Overlap anti-saccade task: A-C.
