Watson, Derrick G. and Humphreys, Glyn W.. (1999) Segmentation on the basis of linear and local rotational motion : motion grouping in visual search. Journal of Experimental Psychology: Human Perception and Performance, Vol.25 (No.1). pp. 70-82. ISSN 0096-1523

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Abstract

In 5 experiments using visual search procedures, grouping based on common motion was investigated Experiments 1-3 showed that items rotating locally about their center points could be segmented and selectively searched for among stationary distracters but not among distracters rotating in the opposite direction. Experiment 4 replicated previous findings showing that upward-moving items could be selectively searched for among stationary or downward-moving items. Experiment 5 showed that rotating items could be selected efficiently from among translating items and vice versa It is suggested that the visual system groups moving items only if they can feasibly belong to a single unique surface. Implications far current theories of visual attention are discussed.

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, Motion perception (vision), Human information processing
Journal or Publication Title:	Journal of Experimental Psychology: Human Perception and Performance
Publisher:	American Psychological Association
ISSN:	0096-1523
Official Date:	February 1999
Volume:	Vol.25
Number:	No.1
Number of Pages:	13
Page Range:	pp. 70-82
Identification Number:	10.1037/0096-1523.25.1.70
Status:	Peer Reviewed
Publication Status:	Published
Funder:	Medical Research Council (Great Britain) (MRC)
URI:	http://wrap.warwick.ac.uk/id/eprint/14895

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