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The role of visual symmetry in determining depth orientation of familiar objects(Summary of Awarded Presentations at the 24th Annual Meeting)

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Abstract

This study investigated the mechanism by which human vision determines the orientation of depth-rotated familiar objects. We hypothesized that the symmetry of the contours in the front and back views of objects is used to determine their orientation because familiar objects are often bilaterally symmetrical. The participants were required to detect 15°differences of depth orientation of the two objects presented simultaneously. Detection was better for the 0°(front) and 180°(back) conditions than for the 45°, 90°, and 135°conditions (Experiment 1). These results confirmed a predicted contribution of symmetry. The same pattern of results was observed when detection was required of an orientation difference of two different objects (Experiment 2).

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Details

  • CRID
    1390282680736350976
  • NII Article ID
    110005519018
  • DOI
    10.14947/psychono.kj00004450511
  • ISSN
    2188-7977
    0287-7651
  • Text Lang
    en
  • Data Source
    • JaLC
    • CiNii Articles

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