論文

査読有り
2005年5月

The effect of 1/f fluctuation in inter-stimulus intervals on auditory evoked mismatch field

NEUROSCIENCE LETTERS
  • Harada N
  • ,
  • Masuda T
  • ,
  • Endo H
  • ,
  • Nakamura Y
  • ,
  • Takeda T
  • ,
  • Tonoike M

379
3
開始ページ
223
終了ページ
228
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1016/j.neulet.2005.01.012
出版者・発行元
ELSEVIER IRELAND LTD

This study focused on the effect of regularity of environmental stimuli on the informational order extracting function of human brain. The regularity of environmental stimuli can be described with the exponent n of the fluctuation 1/f".
We studied the effect of the exponent of the fluctuation in the inter-stimulus interval (ISI) on the elicitation of auditory evoked mismatch fields (MMF) with two sounds with alternating frequency. ISI times were given by three types of fluctuation, 1/f(0), 1/f(1), 1/f(2), and with a fixed interval (1/f(∞)). The root mean square (RMS) value of the MMF increased significantly (F(3/9) = 4.95, p = 0.027) with increases in the exponent of the fluctuation. Increments in the regularity of the fluctuation provoked enhancement of the MMF, which reflected the production of a memory trace, based on the anticipation of the stimulus timing. The gradient of the curve, indicating the ratio of increments between the MMF and the exponent of fluctuation, can express a subject's capability to extract regularity from fluctuating stimuli. © 2005 Elsevier Ireland Ltd. All rights reserved.

Web of Science ® 被引用回数 : 2

リンク情報
DOI
https://doi.org/10.1016/j.neulet.2005.01.012
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/15843068
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000228892400016&DestApp=WOS_CPL
ID情報
  • DOI : 10.1016/j.neulet.2005.01.012
  • ISSN : 0304-3940
  • PubMed ID : 15843068
  • Web of Science ID : WOS:000228892400016

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