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Dwell time as a function of the ordinal position of primary saccades for three levels of selection difficulty in the estimation task (top) and the look-only task (bottom). Blue lines represent saccades going to a target (HIT) and red lines represent saccades going to a distractor (MISS). The superimposed individual circles represent the probability of hitting a target (axis on the right-hand side). Bars show ± SE; otherwise, SEs are smaller than the plotting symbols.
