| Development of perceptual completion originates in information acquisition. | |
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MedLine Citation:
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PMID: 18793055 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Adults have little difficulty perceiving objects as complete despite occlusion, but newborn infants perceive moving partly occluded objects solely in terms of visible surfaces. The developmental mechanisms leading to perceptual completion have never been adequately explained. Here, the authors examine the potential contributions of oculomotor behavior and motion sensitivity to perceptual completion performance in individual infants. Young infants were presented with a center-occluded rod, moving back and forth against a textured background, to assess perceptual completion. Infants also participated in tasks to assess oculomotor scanning patterns and motion direction discrimination. Individual differences in perceptual completion performance were strongly correlated with scanning patterns but were unrelated to motion direction discrimination. The authors present a new model of development of perceptual completion that posits a critical role for targeted visual scanning, an early developing oculomotor action system. |
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Authors:
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Scott P Johnson; Juliet Davidow; Cynthia Hall-Haro; Michael C Frank |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Developmental psychology Volume: 44 ISSN: 0012-1649 ISO Abbreviation: Dev Psychol Publication Date: 2008 Sep |
Date Detail:
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Created Date: 2008-09-16 Completed Date: 2008-12-31 Revised Date: 2013-05-16 |
Medline Journal Info:
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Nlm Unique ID: 0260564 Medline TA: Dev Psychol Country: United States |
Other Details:
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Languages: eng Pagination: 1214-24 Citation Subset: IM |
Affiliation:
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Department of Psychology, University of California, Los Angeles, CA 90095, USA. sjohnson@psych.ucla.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Attention Child Psychology* Depth Perception Discrimination Learning Eye Movements* Female Fixation, Ocular Humans Infant Male Mental Processes* Motion Perception* Orientation Pattern Recognition, Visual* Perceptual Closure* Perceptual Masking Pursuit, Smooth |
| Grant Support | |
ID/Acronym/Agency:
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R01 HD040432/HD/NICHD NIH HHS; R01 HD040432-01A1/HD/NICHD NIH HHS; R01 HD040432-02/HD/NICHD NIH HHS; R01 HD040432-03/HD/NICHD NIH HHS; R01 HD040432-04/HD/NICHD NIH HHS; R01 HD040432-05A1/HD/NICHD NIH HHS; R01 HD040432-06/HD/NICHD NIH HHS; R01 HD040432-07/HD/NICHD NIH HHS; R01 HD048733/HD/NICHD NIH HHS; R01 HD048733-01A2/HD/NICHD NIH HHS; R01 HD048733-02/HD/NICHD NIH HHS |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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