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. Author manuscript; available in PMC: 2008 Dec 1.
Published in final edited form as: J Exp Psychol Hum Percept Perform. 2007 Dec;33(6):1322–1334. doi: 10.1037/0096-1523.33.6.1322

Figure 1.

Figure 1

The trial structure for trials with a central cue (A) and those without a central cue (B). Cues and targets appeared equiprobably at each of the two ends of the two rectangles. On 20% of trials, no target appeared (catch). On remaining trials, each condition (cued, within, between and opposite) was presented with equal likelihood (p=0.2). In (A), a within trial is illustrated, whereas in (B), a between trial is illustrated. Note that the distance between the cue and target is equal for within and between conditions. See individual experiment method sections for trial timing details.