聴覚N400に及ぼす関連比率の効果

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Title ( jpn )
聴覚N400に及ぼす関連比率の効果
Title ( eng )
Effects of Relatedness Proportion on Auditory N400
Creator
Nashiwa Hitomi
Source Title
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
Bulletin of the Graduate School of Education, Hiroshima University. Part 3, Education and human science
Issue 57
Start Page 245
End Page 252
Abstract
In order to clarify the psychological processes reflected in N400, this study explored the effects of relatedness proportion( the percentage of related prime-target pairs in a list) on the scalp distribution of N400 to auditory stimuli. Sixteen participants performed the lexical decision task with auditory words or nonwords under conditions of high and low proportion of semantically related prime-target pairs. The results showed that behavioral semantic priming effects were greater when the relatedness proportion was high compared to when it was low. Though the semantic priming effects of N400 were clear at almost all recording sites, no statistically reliable change of the amplitude or the distribution of N400 due to the relatedness proportion was confirmed. Possible differences between visual and auditory N400s and manipulations for decomposing subcomponents of N400 were discussed.
Keywords
semantic processing
effects of relatedness proportion
N400
scalp distribution
意味処理
関連比率効果
N400
頭皮上分布
NDC
Psychology [ 140 ]
Language
jpn
Resource Type departmental bulletin paper
Publisher
広島大学大学院教育学研究科
Date of Issued 2008-12-26
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 1346-5562
[NCID] AA11625039