NDLI: The role of the saccade target object in the perception of a visually stable world

Content Provider	Springer Nature Link
Author	Currie, Christopher B. McConkie, George W. Carlson Radvansky, Laura A. Irwin, David E.
Copyright Year	2000
Abstract	Although the proximal stimulus shifts position on our retinae with each saccade, we perceive our world as stable and continuous. Most theories of visual stability implicitly assume a mechanism that spatially adjusts perceived locations associated with the retinal array by using, as a parameter,extraretinal eye position information, a signal that encodes the size and direction of the saccade. The results from the experiment reported in this article challenge this idea. During a participant’s saccade to a target object, one of the following was displaced:the entire scene, the target object, or the background behind the target object. Participants detected the displacement of the target object twice as frequently as the displacement of the entire background. The direction of displacement relative to the saccade also affected detectability. We use a new theory, the saccade target theory (McConkie & Currie, 1996), to interpret these results. This theory proposes that retinal (as opposed to extra-retinal) factors, primarily those concerning the saccade target object, are critical for the detection of intrasaccadic stimulus shifts.
Starting Page	673
Ending Page	683
Page Count	11
File Format	PDF
ISSN	00315117
Journal	Perception & Psychophysics
Volume Number	62
Issue Number	4
e-ISSN	15325962
Language	English
Publisher	Springer-Verlag
Publisher Date	2000-01-01
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Cognitive Psychology
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Sensory Systems Psychology

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