Braithwaite, Jason J., Humphreys, Glyn W., Hulleman, Johan and Watson, Derrick G. (2007) Fast color grouping and slow color inhibition : evidence for distinct temporal windows for separate processes in preview search. Journal of Experimental Psychology: Human Perception and Performance, Vol.33 (No.3). pp. 503-517. doi:10.1037/0096-1523.33.3.503

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Abstract

The authors report 4 experiments that examined color grouping and negative carryover effects in preview search via a probe detection task (J. J. Braithwaite, G. W. Humphreys, & J. Hodsoll, 2003). In Experiment 1, there was evidence of a negative color carryover from the preview to new items, using both search and probe detection measures. There was also a negative bias against probes on old items that carried the majority color in the preview. With a short preview duration (150 ms) carryover effects to new items were greatly reduced, but probe detection remained biased against the majority color in the old items. Experiments 2 and 4 showed that the color bias effects on old items could be reduced when these items had to be prioritized relative to being ignored. Experiment 3 tested and rejected the idea that variations in the probability of whether minority or majority colors were probed were crucial. These results show that the time course of color carryover effects can be separated from effects of early color grouping in the preview display: Color grouping is fast, and inhibitory color carryover effects are slow.

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, Attention (Psychology), Inhibition, Color, Reaction time, Human information processing
Journal or Publication Title:	Journal of Experimental Psychology: Human Perception and Performance
Publisher:	American Psychological Association
ISSN:	0096-1523
Official Date:	June 2007
Dates:	Date Event June 2007 Published
Volume:	Vol.33
Number:	No.3
Page Range:	pp. 503-517
DOI:	10.1037/0096-1523.33.3.503
Status:	Peer Reviewed
Funder:	Biotechnology and Biological Sciences Research Council (Great Britain) (BBSRC), Medical Research Council (Great Britain) (MRC)
Grant number:	G9623474 (MRC), BBS/B/16429 (BBSRC)

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