Detection of Symmetry and Repetition in One and Two Objects
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- Arno Koning
- University of Leuven, Belgium
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- Johan Wagemans
- University of Leuven, Belgium
Bibliographic Information
- Other Title
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- Structures Versus Strategies
Description
<jats:p> Symmetry is usually easier to detect within a single object than in two objects (one-object advantage), while the reverse is true for repetition (two-objects advantage). This interaction between regularity and number of objects could reflect an intrinsic property of encoding spatial relations within and across objects or it could reflect a matching strategy. To test this, regularities between two contours (belonging to a single object or two objects) had to be detected in two experiments. Projected three-dimensional (3-D) objects rotated in depth were used to disambiguate figure-ground segmentation and to make matching based on simple translations of the two-dimensional (2-D) contours unlikely. Experiment 1 showed the expected interaction between regularity and number of objects. Experiment 2 used two-objects displays only and prevented a matching strategy by also switching the positions of the two objects. Nevertheless, symmetry was never detected more easily than repetition in these two-objects displays. We conclude that structural coding, not matching strategies, underlies the one-object advantage for symmetry and the two-objects advantage for repetition. </jats:p>
Journal
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- Experimental Psychology
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Experimental Psychology 56 (1), 5-17, 2009-01
Hogrefe Publishing Group
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Details 詳細情報について
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- CRID
- 1363951796026322304
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- ISSN
- 21905142
- 16183169
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- Data Source
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- Crossref