| Perception of multi-stable dot lattices in the visual periphery: An effect of internal positional noise. | |
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MedLine Citation:
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PMID: 21325693 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Dot lattices are very simple multi-stable images where the dots can be perceived as being grouped in different ways. The probabilities of grouping along different orientations as dependent on inter-dot distances along these orientations can be predicted by a simple quantitative model. L. Bleumers, P. De Graef, K. Verfaillie, and J. Wagemans (2008) found that for peripheral presentation, this model should be combined with random guesses on a proportion of trials. The present study shows that the probability of random responses decreases with decreasing ambiguity of lattices and is different for bi-stable and tri-stable lattices. With central presentation, similar effects can be produced by adding positional noise to the dots. The results suggest that different levels of internal positional noise might explain the differences between peripheral and central proximity grouping. |
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Authors:
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Endel Põder |
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Publication Detail:
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Type: Journal Article Date: 2011-02-16 |
Journal Detail:
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Title: Journal of vision Volume: 11 ISSN: 1534-7362 ISO Abbreviation: J Vis Publication Date: 2011 |
Date Detail:
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Created Date: 2011-02-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101147197 Medline TA: J Vis Country: United States |
Other Details:
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Languages: eng Pagination: - Citation Subset: IM |
Affiliation:
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Institute of Psychology, University of Tartu, Tartu, Estonia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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