Oculomotor Capture by New and Unannounced Color Singletons during Visual Search

Retell, James D, Venini, Dustin and Becker, Stefanie I (2015) Oculomotor Capture by New and Unannounced Color Singletons during Visual Search. Attention, Perception, and Psychophysics, 77 5: 1529-1543. doi:10.3758/s13414-015-0888-3

Author Retell, James D
Venini, Dustin
Becker, Stefanie I
Title Oculomotor Capture by New and Unannounced Color Singletons during Visual Search
Journal name Attention, Perception, and Psychophysics   Check publisher's open access policy
ISSN 1943-393X
Publication date 2015-07-01
Year available 2015
Sub-type Article (original research)
DOI 10.3758/s13414-015-0888-3
Volume 77
Issue 5
Start page 1529
End page 1543
Total pages 15
Place of publication New York, United States
Publisher Springer New York LLC
Language eng
Abstract The surprise capture hypothesis states that a stimulus will capture attention to the extent that it is preattentively available and deviates from task-expectancies. Interestingly, it has been noted by Horstmann (Psychological Science 13: 499–505. doi:10.​1111/​1467-9280.​00488, 2002, Human Perception and Performance 31: 1039–1060. doi:10.​1037/​00961523.​31.​5.​1039, 2005, Psychological Research, 70, 13-25, 2006) that the time course of capture by such classes of stimuli appears distinct from that of capture by expected stimuli. Specifically, attention shifts to an unexpected stimulus are delayed relative to an expected stimulus (delayed onset account). Across two experiments, we investigated this claim under conditions of unguided (Exp. 1) and guided (Exp. 2) search using eye-movements as the primary index of attentional selection. In both experiments, we found strong evidence of surprise capture for the first presentation of an unannounced color singleton. However, in both experiments the pattern of eye-movements was not consistent with a delayed onset account of attention capture. Rather, we observed costs associated with the unexpected stimulus only once the target had been selected. We propose an interference account of surprise capture to explain our data and argue that this account also can explain existing patterns of data in the literature.
Keyword Selective attention
Attentional capture
Eye movements
Visual attention
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2016 Collection
School of Psychology Publications
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