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

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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. © 2012 Lee et al.
Publisher
PUBLIC LIBRARY of SCIENCE
Issue Date
2012-12
Language
English
Article Type
Article
Citation

PLOS ONE, v.7, no.12

ISSN
1932-6203
DOI
10.1371/journal.pone.0051373
URI
http://hdl.handle.net/10203/262547
Appears in Collection
BiS-Journal Papers(저널논문)
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