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. Author manuscript; available in PMC: 2009 Sep 9.
Published in final edited form as: Vision Res. 2008 Mar;48(7):926–936. doi: 10.1016/j.visres.2007.12.020

Figure 1.

Figure 1

a) The four targets. b) Example stimuli and scanpaths, from subject zz. The initial fixation square (top) disappeared when stimuli were shown. The target is shown in red for expository purposes. The strikethrough black square on the scanpath indicates the keypress, immediately after which the second fixation square was displayed. The blue bars over each fixation record the duration of that fixation in ms (1deg visual angle corresponds to 100ms). The strikethrough red disk on the right scanpath indicates the position of the eye when the transient target was displayed, i.e. when a distracter was replaced with the target. The target was replaced by a distracter during the next saccade (not marked). In all trials, target appearance was restricted to the center column.