この文献の参照には次のURLをご利用ください : https://doi.org/10.15027/18474
広島大学大学院教育学研究科紀要. 第三部, 教育人間科学関連領域 Issue 52
published_at 2004-03-28
記憶負荷が語彙判断課題時の事象関連電位に及ぼす影響
The effect of working memory load on event-related brain potentials during lexical decision task
Abstract
In this study, we investigated whether the working memory involved the post-lexical semantic integration process whereby semantic information was integrated into a higher level discourse representation. ERPs were recorded from twelve undergraduate and graduate students during the lexical decision task under low or high working memory load conditions. Perticipants decided whether target was a real word or not with keeping two or five digits in working memory. The N400 reflecting the ease of semantic integration were smaller for targets preceded by related primes than prededed by unrelated primes. This N400 modutation, however, was not affected by memory load. It is suggested that the different working memory subsystem for retaining digits is engaged in the semantic integration underlying the N400.
About This Article
Keywords
記憶負荷
語彙判断課題
事象関連電位
N400
意味統合
ワーキングメモリ
memory load
lexical decision task
event-related brain potentials
N400
semantic integration
working memory
Other Article
PP. 133 - 138