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Event-related potentials in aging. Mikio OSAWA 1 1Department of Neurology, Neurological Institute, Tokyo Women's Medical University Keyword: Event-related potentials , Aging , P300 , Early negative components pp.805-815
Published Date 1998/10/10
DOI https://doi.org/10.11477/mf.1431900892
  • Abstract
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 Event-related potentials (ERPs) are evoked during information-processing in the brain. The ERP components are thought to represent cognition, anticipation, judgment, etc, and are called 'endogenous potentials'. Each ERP component appears as continuously changing brain potentials, enabling us to investigate the time course of information-processing in real time and the time order of each stage in the total absence of overt behavior.

 Recently, to investigate which stages of information-processing are affected in normal aging, various ERP components including nogo as well as go P300 (P3) and also early negative components, e.g., N200 (N2, N2b), mismatch negativity, NA, and some components relating to attention, e.g., processing negativity and sustained frontal negativity have been utilized.

 The aim of this paper is to introduce ERP studies of the age-related deficits in information processing in the brain.


Copyright © 1998, 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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