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Visual search for motion–form conjunctions : is form discriminated within the motion system?
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von Mühlenen, Adrian and Müller, Hermann J. (2001) Visual search for motion–form conjunctions : is form discriminated within the motion system? Journal of Experimental Psychology: Human Perception and Performance, Volume 27 (Number 3). pp. 707-718. doi:10.1037//0096-1523.27.3.707 ISSN 0096-1523.
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Official URL: http://dx.doi.org/10.1037/0096-1523.27.3.707
Abstract
Motion-form conjunction search can be more efficient when the target is moving (a moving 45° tilted line among moving vertical and stationary 45° tilted lines) rather than stationary. This asymmetry may be due to aspects of form being discriminated within a motion system representing only moving items, whereas discrimination of stationary items relies on a static form system (J. Driver & P. McLeod, 1992). Alternatively, it may be due to search exploiting differential motion velocity and direction signals generated by the moving-target and distractor lines. To decide between these alternatives, 4 experiments systematically varied the motion-signal information conveyed by the moving target and distractors while keeping their form difference salient. Moving-target search was found to be facilitated only when differential motion-signal information was available. Thus, there is no need to assume that form is discriminated within the motion system.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Psychology | ||||
Journal or Publication Title: | Journal of Experimental Psychology: Human Perception and Performance | ||||
Publisher: | American Psychological Association | ||||
ISSN: | 0096-1523 | ||||
Official Date: | June 2001 | ||||
Dates: |
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Volume: | Volume 27 | ||||
Number: | Number 3 | ||||
Page Range: | pp. 707-718 | ||||
DOI: | 10.1037//0096-1523.27.3.707 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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