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ID 21465
本文ファイル
著者
Sugimoto, Sayaka
Hori, Tadao
キーワード
event-related potentials
affect
mood
auditory information processing
N1
P2
mismatch negativity
NDC
心理学
抄録(英)
To examine whether brain electrical responses to environmental stimuli were influenced by emotional contexts, event-related potentials (ERPs) elicited by nonstartle probe tones were recorded from 13 student volunteers while they were viewing emotionally positive, neutral, and negative slides of the International Affective Picture System. The auditory stimuli consisted of high-deviant (2000 Hz, p=.08), low-deviant (1050 Hz, p=.08), and standard (1000 Hz, p=.84) tones with a mean onset-to-onset interval of 600 ins. Participants were told to ignore the tones. High-deviant tones elicited a larger N1 (peaking around 100 ms) when participants were viewing negative slides than when viewing positive slides. The amplitude of the P2 elicited by standard tones (peaking around 170 ms) was smaller when participants were viewing positive slides than when viewing negative and neutral slides. The amplitude of the mismatch negativity (150-200 ms) tended to reduce during positive slide presentation, but this difference appeared to be due to reduction of the P2 elicited by standard tones. These findings suggest that visually induced emotional states have a sequential effect on auditory information processing, in that the influence of negative emotion appears at an earlier stage than that of positive emotion.
掲載誌名
International Journal of Psychophysiology
66巻
1号
開始ページ
1
終了ページ
9
出版年月日
2007-10
出版者
Elsevier Science BV
ISSN
0167-8760
NCID
出版者DOI
言語
英語
NII資源タイプ
学術雑誌論文
広大資料タイプ
学術雑誌論文
DCMIタイプ
text
フォーマット
application/pdf
著者版フラグ
author
権利情報
Copyright(c) 2007 Elsevier Science BV
関連情報URL(IsVersionOf)
http://dx.doi.org/10.1016/j.ijpsycho.2007.05.007
部局名
総合科学研究科