| Localization and motion perception during smooth pursuit eye movements. | |
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MedLine Citation:
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PMID: 16331504 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We investigated the relationship between compensation for the effects of smooth pursuit eye movements in localization and motion perception. Participants had to indicate the perceived motion direction, the starting point and the end point of a vertically moving stimulus dot presented during horizontal smooth pursuit. The presentation duration of the stimulus was varied. From the indicated starting and end points, the motion direction was predicted and compared with the actual indicated directions. Both the directions predicted from localization and the indicated directions deviated from the physical directions, but the errors in the predicted directions were larger than those in the indicated directions. The results of a control experiment, in which the same tasks were performed during fixation, suggest that this difference reflects different transformations from a retinocentric to a head-centric frame of reference. This difference appears to be mainly due to an asymmetry in the effect of retinal image motion direction on localization during smooth pursuit. |
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Authors:
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Jan L Souman; Ignace Th C Hooge; Alexander H Wertheim |
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Publication Detail:
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Type: Journal Article Date: 2005-12-06 |
Journal Detail:
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Title: Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale Volume: 171 ISSN: 0014-4819 ISO Abbreviation: Exp Brain Res Publication Date: 2006 Jun |
Date Detail:
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Created Date: 2006-05-18 Completed Date: 2007-10-02 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0043312 Medline TA: Exp Brain Res Country: Germany |
Other Details:
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Languages: eng Pagination: 448-58 Citation Subset: IM |
Affiliation:
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Helmholtz Institute, Department of Psychonomics, Utrecht University, Utrecht, The Netherlands. jan.souman@tuebingen.mpg.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Afterimage Analysis of Variance Female Humans Male Motion Perception / physiology* Orientation / physiology* Pattern Recognition, Visual Photic Stimulation / methods Psychophysics Pursuit, Smooth / physiology* Reference Values Space Perception / physiology* Time Factors |
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