Chord-priming effects were investigated in a related-prime condition, an unrelated-prime condition, and a control condition in which a noise was presented instead of a prime chord. Ten participants listened to a sequence consisting of a prime (a chord or a noise) and a target chord and then decided whether the target chord was in tune or out of tune. The interonset intervals between the prime and target chords were varied at either 1, 3, or 7 s, whereas the duration of the chords or noises was fixed at 500 ms. Responses were significantly slower with lower accuracy in the unrelated-prime condition than in the control condition, whereas responses were not significantly faster in the related-prime condition than in the control condition. The delay in the unrelated-prime condition was found at interonset intervals of 1 and 3 s, but the delay almost disappeared at the longest interonset interval of 7 s. These results cannot be fully explained by a spreading activation model that assumes a facilitation effect, but rather seem to suggest that disruptive effects occur with regard to the sensitivity to chordal tuning. /// 和音プライミング効果を,関連プライム条件,非関連プライム条件,統制条 件において検討した. 統制条件においては,プライム和音のかわりにノイズ が呈示された. 10名の被験者は,プライム (和音またはノイズ) とターゲッ ト和音を聞き,ターゲット和音のチューニングが正しいか誤っているかを判 断した. プライムとターゲット和音の立ち上がり聞の時間間隔は, 1,3, 7sのいずれかであり,和音とノイズの長さはすべて500msであった. 非関連 プライム条件における反応は, 統制条件における反応よりも有意に遅く,正 答率も低かった. 一方,関連プライム条件における反応は,統制条件におけ る反応よめも有意差がみられるほど速くはなかった. 非関連プライム条件に おける反応の遅れは,時間間隔が1, 3sのときにあらわれたが. 7sのとき にはほとんど消失した. これらの結果は,和音のチューニング感度に妨害効 果が生じていることを示唆しており,促進効果を仮定する活性化拡散モデル では完全には説明できない.

[Footnotes]

[Footnotes]
1
Neely (1991)

References

References
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