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Selective attention and N400 attenuation with spoken word repetition
Author(s) -
Okita Tsunetaka,
Jibu Tetsuya
Publication year - 1998
Publication title -
psychophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.661
H-Index - 156
eISSN - 1469-8986
pISSN - 0048-5772
DOI - 10.1017/s0048577298961042
Subject(s) - n400 , repetition (rhetorical device) , psychology , event related potential , audiology , word (group theory) , cognitive psychology , electroencephalography , linguistics , neuroscience , medicine , philosophy
In two experiments, event‐related brain potentials were recorded to word pairs simultaneously presented to both ears, with instructions to attend to one ear and detect occasional nonwords in that ear. This attentional manipulation yielded four patterns of word repetition on successive trials: first and second presentations attended (AA), both unattended (UU), and across ears (AU and UA). A prominent attenuation of N400 due to immediate repetition of words was observed on AA trials. However, when first presentations were ignored on UU and UA trials, no repetition effect was obtained. These findings indicate that the repetition effect on N400 depends on attentional processing of first presentations.