| Temporal recruitment along the trajectory of moving objects and the perception of position. | |
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MedLine Citation:
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PMID: 10492829 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The trajectory of a moving object provides information about its velocity, direction and position. This information can be used to enhance the visual system's ability to detect changes in these parameters. We show that the visibility of the trajectory of a moving object influences the perception of its position. This form of temporal recruitment builds up on a long timescale of approximately 500 ms. Temporary occlusion of the trajectory during this time period reduces recruitment, but does not abolish it. Moreover, we found no spatial restrictions on recruitment on the scale of 10 degrees of arc. When the position of objects on trajectories with different degrees of visibility are compared, this recruitment effect causes spatial offsets. This leads to a visual illusion in which the position of moving objects is misperceived. |
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Authors:
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B Krekelberg; M Lappe |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Vision research Volume: 39 ISSN: 0042-6989 ISO Abbreviation: Vision Res. Publication Date: 1999 Aug |
Date Detail:
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Created Date: 1999-10-04 Completed Date: 1999-10-04 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0417402 Medline TA: Vision Res Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 2669-79 Citation Subset: IM; S |
Affiliation:
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Department of Zoology and Neurobiology ND7/30, Ruhr-Universität Bochum, Germany. bart@neurobiologie.ruhr-uni-bochum.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Attention Humans Male Motion Perception / physiology* Optical Illusions / physiology Psychophysics Rotation Time Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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