Watson, Derrick G. and Humphreys, Glyn W.. (2005) Visual marking : the effects of irrelevant changes on preview search. Perception and Psychophysics, Vol.67 (No.3). pp. 418-434. ISSN 0031-5117

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Abstract

Visual search is facilitated when participants receive a preview of half of the distractors before presentation of the second distractor set (Watson & Humphreys, 1997). In seven experiments, we examined the effects of irrelevant change on this preview benefit. Experiments 1-4-showed that the benefit was not disrupted by the abrupt appearance of irrelevant distractors during the preview period unless they were the same color as the new items. However, blindng off-and-on irrelevant distractors that were present at the start of the preview period disrupted the preview benefit irrespective of their feature overlap with other items (Experiments 5-7). The data are consistent with the inhibition of old stimuli (visual marking) via a location-based template along with an anticipatory feature-based set for new stimuli.

Item Type:	Journal Article
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Divisions:	Faculty of Science > Psychology
Library of Congress Subject Headings (LCSH):	Visual perception, Inhibition, Visual fields, Human information processing
Journal or Publication Title:	Perception and Psychophysics
Publisher:	Psychonomic Society
ISSN:	0031-5117
Date:	April 2005
Volume:	Vol.67
Number:	No.3
Number of Pages:	17
Page Range:	pp. 418-434
Identification Number:	10.3758/BF03193321
Status:	Peer Reviewed
Publication Status:	Published
Description:	This work was supported by grants from the Economic and Social Research Council and the Medical Research Council, U.K.
Funder:	Economic and Social Research Council (Great Britain) (ESRC), Medical Research Council (Great Britain) (MRC)
URI:	http://wrap.warwick.ac.uk/id/eprint/6862

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