Spontaneous Reorientation Is Guided by Perceived Surface Distance, Not by Image Matching or Comparison

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Spontaneous Reorientation Is Guided by Perceived Surface Distance, Not by Image Matching or Comparison

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Title: Spontaneous Reorientation Is Guided by Perceived Surface Distance, Not by Image Matching or Comparison
Author: Spelke, Elizabeth S.; Lee, Sang Ah; Winkler-Rhoades, Nathan

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Citation: Lee, Sang Ah, Nathan Winkler-Rhoades, and Elizabeth S. Spelke. 2012. Spontaneous reorientation is guided by perceived surface distance, not by image matching or comparison. PLoS ONE 7(12): e51373.
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Abstract: Humans and animals recover their sense of position and orientation using properties of the surface layout, but the processes underlying this ability are disputed. Although behavioral and neurophysiological experiments on animals long have suggested that reorientation depends on representations of surface distance, recent experiments on young children join experimental studies and computational models of animal navigation to suggest that reorientation depends either on processing of any continuous perceptual variables or on matching of 2D, depthless images of the landscape. We tested the surface distance hypothesis against these alternatives through studies of children, using environments whose 3D shape and 2D image properties were arranged to enhance or cancel impressions of depth. In the absence of training, children reoriented by subtle differences in perceived surface distance under conditions that challenge current models of 2D-image matching or comparison processes. We provide evidence that children's spontaneous navigation depends on representations of 3D layout geometry.
Published Version: doi:10.1371/journal.pone.0051373
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:9961224

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  • FAS Scholarly Articles [7219]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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