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Functional architecture of the primate visual cortex. Hiromichi SATO 1 , Tadaharu TSUMOTO 1 1Department of Neurophysiology, Biomedical Research Center, Osaka University Medical School pp.353-364
Published Date 1991/6/10
DOI https://doi.org/10.11477/mf.1431900137
  • Abstract
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Recent development in the studies on functional organization of the primary visual cortex (V1) of the primate has been reviewed with particular reference to retinotopic representation of visual field, laminar organization of afferent, efferent and intrinsic connections, and to various functional columns in the cortex. Three aspects of the functional organization of V1 have been described; 1) the parallel information processing systems consisting of at least two channels, the magnocellular and parvocellular channels, which treat with different properties of vision, 2) functional modules such as ocular domi-nance column, orientation column and cytochrome oxidase-rich blob which are functional units for processes of particular kinds of information coming from a given point in the visual field, and 3) mecha-nisms underlying integration of locally processed and horizontally spreading information across the V1. An introduction of newly developed techniques, i.e., optical recordings of cortical activity, into the study on V1 is expected to make a marked progress in understandings of the temporal and spatial integration of modular functions in V1.


Copyright © 1991, 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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