心理学研究
Online ISSN : 1884-1082
Print ISSN : 0021-5236
ISSN-L : 0021-5236
移動音像への選択的注意時の事象関連電位
沖田 庸嵩
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ジャーナル フリー

1981 年 52 巻 2 号 p. 85-91

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In a selective attention task requiring target detection responses, 12 subjects listened to a random sequence of high and low tone pips presented in three modes: (a) fixed, (b) moving, and (c) random in perceived location between the two ears. In all modes a negative shift superimposed on the N1 and P2 components was observed in the event-related potentials (ERPs) to the attended tones. In the random mode, however, such a negative shift was reduced in parallel with a decline in target defections. The results were interpreted as showing human ability to attend selectively to a moving sound source, and suggesting the ERP negativity to be a sensitive index of selective information processing.
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© 公益社団法人 日本心理学会
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