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The role of flicker and abrupt displacement in attention capture by motion onsets
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Sunny, Meera Mary and von Mühlenen, Adrian (2014) The role of flicker and abrupt displacement in attention capture by motion onsets. Attention, Perception, & Psychophysics, Volume 76 (Number 2). pp. 508-518. doi:10.3758/s13414-013-0587-x ISSN 1943-3921.
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Official URL: http://dx.doi.org/10.3758/s13414-013-0587-x
Abstract
Sunny and von Mühlenen (Psychonomic Bulletin & Review, 18, 1050–1056, 2011) showed that an onset of motion captured attention only when the motion was jerky (refreshed at 8 or 17 Hz), but not when it was smooth (33 or 100 Hz). However, it remained unclear why the onset of jerky motion captures attention. In the present study, we systematically tested the role of different aspects of jerky motion in capturing attention. Simple flicker without motion did not capture attention in the same way as jerky motion (Exp. 1). An abrupt displacement between 0.26° and 1.05° captured attention, irrespective of whether the stimulus subsequently continued to move smoothly (Exp. 2) or whether it remained stationary (Exps. 3 and 4). A displaced stimulus that was preceded briefly at the new location by a figure-8 placeholder did not capture attention (Exp. 5). These results are explained within a masking account, according to which abrupt onsets and abrupt displacements receive a processing advantage because they escape forward masking by the preceding figure-8 placeholders.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Psychology | ||||||
Journal or Publication Title: | Attention, Perception, & Psychophysics | ||||||
Publisher: | Springer | ||||||
ISSN: | 1943-3921 | ||||||
Official Date: | February 2014 | ||||||
Dates: |
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Volume: | Volume 76 | ||||||
Number: | Number 2 | ||||||
Page Range: | pp. 508-518 | ||||||
DOI: | 10.3758/s13414-013-0587-x | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access |
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