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Contingent Negative Variations Associated with Vocalization in Humans Keiko Ohsawa 1 , Taketo Yamaguchi 1 , Noriko Murata 1 , Koushou Kanazawa 1 , Atsushi Uchida 1 , Ichiro Nakajima 1 1Department of Pedodontics, School of Dentistry, Nihon University Keyword: EEG , CNV , vocalization , human , Broca's area pp.357-361
Published Date 1996/4/1
DOI https://doi.org/10.11477/mf.1406900934
  • Abstract
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We investigated the late negative components of the contingent negative variations (CNVs) in the verbalization task. Six subjects were instructed to perform three different motor tasks, jaw opening, vocalization of a meaningless sound and that of a word, in response to a sound stimulus following a visual warning stimulus with interstimulus interval of 4.0 sec. The electroencephalograms (EEGs) were recorded from the midline-central (Cz), left andright temporal areas (T3 and T4) and frontal areas (F7 and F8). EEGs were averaged 16 times using the visual stimulus pulse as a trigger to obtain the CNVs in each motor task.


Copyright © 1996, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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