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Visual inattention. Atsushi YAMADORI 1 , Fuyuhiko TAMARU 2 1Neurology Service, Hyogo Brain and Heart Center at Himeji 2Neurology Service, Rehabilitation Center Kakeyu Hospital pp.897-904
Published Date 1986/10/10
DOI https://doi.org/10.11477/mf.1431905835
  • Abstract
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 In this paper we attempted to summarize the core features of so called "visual inattention". In the modern usage, the term is broadly applied to one or both of the following symptoms, i.e., unilateral hemi-inattention and extreme narrowing of attention (De Renzi, 1982). We applied the term "visual inattention" only to the latter condition.

 Visual inattention is composed of two related but distinct disorders. One is the inability to see plural objects at a time (Balint, 1909). The size of an object is not a limiting factor. An object can be perceived regardless of its size if it has a meaningful unity. Even when two items are perceived at the first glance, one of them quickly fades from the vision. Directional cue is effective in shifting attention. The other is the inability to shift attention covertly (Seelenlahmung des Schauens, Balint). This has to be distinguished from difficulty of ocular control. This lack of attentional control results in peculiar loss of spontaneity in looking.


Copyright © 1986, 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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