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via ScienceDirect Publication: Vision Research on 2/2/11
Publication year: 2011Source: Vision Research, In Press, Accepted Manuscript, Available online 2 February 2011
Joseph, Schmidt , Gregory J., Zelinsky
Search displays are typically presented immediately after a target cue, but in the real-world, delays often exist between target designation and search.Experiments 1 and 2 asked how search guidance changes with delay.Targets were cued using a picture or text label, each for 3000ms, followed by a delay up to 9000ms before the search display.Search stimuli were realistic objects, and guidance was quantified using multiple eye movement measures. Text-based cues showed a non-significant trend towards greater guidance following any delay relative to a no-delay condition. However, guidance from a pictorial cue increased sharply 300-600 msec after preview offset. Experiment 3 replicated...
Research highlights: ► Search guidance from a pictorial cue is best 300-600ms after cue offset ► Guidance benefits are linked to cue offset, not cue duration or SOA ► Stronger guidance with Pictorial cues than Semantic cues, except after a 9s delay ► Search is best guided after a rapid consolidation of target visual information
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