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Revisiting preview search at isoluminance : new onsets are not necessary for the preview advantage
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Braithwaite, Jason J., Humphreys, Glyn W., Watson, Derrick G. and Hulleman, Johan, 1968- . (2005) Revisiting preview search at isoluminance : new onsets are not necessary for the preview advantage. Perception and Psychophysics, Vol.67 (No.7). pp. 1214-1228. ISSN 0031-5117
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Official URL: http://dx.doi.org/10.3758/BF03193554
Abstract
It has been argued that search performance underpreview conditions relies on automatic capture by luminance onsets (Donk & Theeuwes, 2001). We present three experiments in which preview search was examined with both isoluminant and nonisoluminant items (e.g., as defined by luminance onsets). Experiment 1 provided evidence against the automatic capture of attention by onsets. Search benefited when onset previews were followed by new onset stimuli, as compared with a full-set baseline matched for the number of new onsets but in which half the distractors appeared simultaneously at isoluminance. Furthermore, both Experiments 1 and 2 established a preview advantage when isoluminant targets followed onset previews, when compared with appropriate full-set baselines. Experiment 3 replicated this result, while showing that the preview benefit was disrupted by dual-task interference. The data indicate that new onsets are not necessary to generate a preview advantage in search. We discuss the data in terms of search’s benefiting from active inhibition of old onset-defined stimuli.
| Item Type: | Journal Article |
|---|---|
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry |
| Divisions: | Faculty of Science > Psychology |
| Library of Congress Subject Headings (LCSH): | Visual perception, Light, Inhibition, Human information processing, Brightness perception |
| Journal or Publication Title: | Perception and Psychophysics |
| Publisher: | Springer New York LLC |
| ISSN: | 0031-5117 |
| Date: | October 2005 |
| Volume: | Vol.67 |
| Number: | No.7 |
| Page Range: | pp. 1214-1228 |
| Identification Number: | 10.3758/BF03193554 |
| Status: | Peer Reviewed |
| Funder: | Medical Research Council (Great Britain) (MRC) |
| URI: | http://wrap.warwick.ac.uk/id/eprint/36126 |
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