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  Comparing view sensitivity in shape discrimination with shape sensitivity in view discrimination

Lawson, R., & Bülthoff, H. (2006). Comparing view sensitivity in shape discrimination with shape sensitivity in view discrimination. Perception and Psychophysics, 68(4), 655-673. doi:10.3758/BF03208766.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-8418-C Version Permalink: http://hdl.handle.net/21.11116/0000-0004-841A-A
Genre: Journal Article

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Lawson, R, Author              
Bülthoff, HH1, 2, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              

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 Abstract: In three picture-picture matching experiments, the effects of a view change on our ability to detect a shape change (Experiments 1 and 2) were contrasted with the effects of a shape change on our ability to detect a view change (Experiment 3). In each experiment, both view changes and shape changes influenced performance. However, shape changes had more influence than did view changes in the shape change detection task. Conversely, view changes were more influential when the task was to detect view changes. Thus, the participants could often discriminate between the effects of shape changes and the effects of view changes. The disruptive effect of task-irrelevant changes (view changes in the first two experiments; shape changes in the final experiment) does not support Stankiewicz’s (2002) claim that information about viewpoint and about shape can be estimated independently by human observers. However, the greater effect of variation in the task-relevant than in the task-irrelevant dimension indicates that the observers were moderately successful at disregarding irrelevant changes.

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 Dates: 2006-05
 Publication Status: Published in print
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 Identifiers: DOI: 10.3758/BF03208766
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Title: Perception and Psychophysics
Source Genre: Journal
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Publ. Info: Austin, Tex., etc. : Psychonomic Society, etc.
Pages: - Volume / Issue: 68 (4) Sequence Number: - Start / End Page: 655 - 673 Identifier: ISSN: 0031-5117
CoNE: https://pure.mpg.de/cone/journals/resource/954925432372