Title |
Repetition Blindness for Natural Images of Objects with Viewpoint Changes
|
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Published in |
Frontiers in Psychology, January 2013
|
DOI | 10.3389/fpsyg.2012.00622 |
Pubmed ID | |
Authors |
Stéphane Buffat, Justin Plantier, Corinne Roumes, Jean Lorenceau |
Abstract |
When stimuli are repeated in a rapid serial visual presentation (RSVP), observers sometimes fail to report the second occurrence of a target. This phenomenon is referred to as "repetition blindness" (RB). We report an RSVP experiment with photographs in which we manipulated object viewpoints between the first and second occurrences of a target (0°, 45°, or 90° changes), and spatial frequency (SF) content. Natural images were spatially filtered to produce low, medium, or high SF stimuli. RB was observed for all filtering conditions. Surprisingly, for full-spectrum (FS) images, RB increased significantly as the viewpoint reached 90°. For filtered images, a similar pattern of results was found for all conditions except for medium SF stimuli. These findings suggest that object recognition in RSVP are subtended by viewpoint-specific representations for all spatial frequencies except medium ones. |
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