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Japanese

Contingent Negative Variation in Patients with Severe Closed Head Injury:Its Diagnostic Value as a Quantitative Evaluating Method for Certain Aspect of Posttraumatic Syndrome Yoichi KATAYAMA 1 , Takashi TSUBOKAWA 1 , Takamitsu YAMAMOTO 1 , Morihiko KITAMURA 1 , Hiroshi NISHIMOTO 1 , Nobuo MORIYASU 1 1Department of Neurological Surgery, Nihon University School of Medicine, Tokyo, Japan Keyword: Posttraumatic syndrome , Psychiatric disability , Contingent negative variation pp.1075-1082
Published Date 1979/11/10
DOI https://doi.org/10.11477/mf.1436201069
  • Abstract
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CNVs were studied in 48 subjects with closed head injury followed by posttraumatic amnesia over than 7 days. Electrical motor-threshold stimulation of the median nerve or subjectively painful stimulation of the fingertip was used for imperative stimulus. An amplitude of CNV and its enhancement by painful imperative stimulus were measured and compared with those obtained from 34 normal subjects.

In subacute stage within 3 months after the head injury, correlation between CNV abnormalities and an existence of some noticeable psychiatric disorders was found.


Copyright © 1979, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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