Cross-dimensional perceptual selectivity

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Abstract

Three visual search experiments tested whether top-down selectivity toward particular stimulus dimensions is possible during preattentive parallel search. Subjects viewed multielement displays in which two salient items, each unique in a different dimension-that is, color and intensity (Experiment 1) or color and form (Experiments 2 and 3)-were simultaneously present. One of the dimensions defined the target; the other dimension served as distractor. The results indicate that when search is performed in parallel, top-down selectivity is not possible. These findings suggest that preattentive parallel search is strongly automatic, because it satisfies both the load-insensitivity and the unintentionally criteria of automaticity. © 1991 Psychonomic Society, Inc.

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APA

Theeuwes, J. (1991). Cross-dimensional perceptual selectivity. Perception & Psychophysics, 50(2), 184–193. https://doi.org/10.3758/BF03212219

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