Contingent capture in color-variegated stimuli N Heise, U Ansorge |
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Faculty of Psychology, University of Vienna, Austria
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| Laboratory cueing experiments used monochromatic stimuli to confirm top-down contingent capture of attention by color (e.g. Folk et al., 1992). In these experiments, one critical aspect of everyday color search is missing: color variegation. This could be crucial: color-variegated targets cover color spectres and thus potentially overlap with irrelevant color cues. Additionally, top-down search settings for color-variegated stimuli could be more demanding to set up or maintain. Therefore contingent capture could be restricted to monochromatic stimuli. To understand whether contingent capture extends to color-variegated stimuli, we used photographs of fruits and vegetables as target and cues. Cues were either mean colors, randomized color spectra, or naturalistic color distributions of specific fruits and vegetables. We found contingent capture by color with all these cue types. The data provide support for contingent capture by color with color-variegated stimuli. |
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