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Parietal area CIP and three-dimensional vision Ken-ichiro Tsutsui 1 1Department of Anatomy, University of Cambridge, Downing Street, Cambridge CB2 3DY, UK Keyword: 頭頂連合野 , CIP野 , 両眼視差 , テクスチャ , 勾配 pp.583-591
Published Date 2004/8/10
DOI https://doi.org/10.11477/mf.1431100213
  • Abstract
  • Look Inside

 The reason why we can see things in three dimensions is that the visual system is re-constructing the three-dimensional(3D)configurations of objects from their two-dimensional(2D)images projected on retinas. Clues for depth re-construction, which are embedded in the 2D retinal image, are called'depth cues'. It has been suggested by David Marr that, in the visual system, 3D surface orientation are firstly estimated independently from individual depth cues, such as binocular disparity and various monocular cues including texture gradients, and then the information from these different depth cues are integrated in order to construct a generalized representation of the 3D surface geometry. We recently found neurons in the parietal area CIP(caudal intraparietal)that are involved in constructing a general representation of 3D surface orientation by integrating the depth information from different depth cues. The objective of this paper is to have a psychological and physiological overview of the neural mechanisms of 3D vision, by reviewing recent studies including our findings in CIP.


Copyright © 2004, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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