テンポ保持に及ぼす音刺激周期の影響

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The purpose of this study was to examine the effect of the other's rhythm on tempo keeping, from the viewpoint that searches for supporting how for relations. We used synchronization tapping task and gave 20 female university students to tap at 1200ms interval if the tonal stimulus disappears, and when a subject was keeping the tempo under the no external sign, a claque intervened in 4 types. These types were 1) tapping as synchronize with tapping-onset interval of the subject (synchronization condition), 2) tapping as synchronization with middle point of tapping-onset interval of the subject (betweenness condition), 3) tapping at 400ms interval (Fast condition), 4) tapping at 3000ms interval (Slow condition). In each condition, on completion of task, the subjects evaluated their mood and impression on the claque. We analyzed the process of tempo keeping and the psychological effects. In result, it was showed that to intervene between partner's interval makes tempo keeping regular because of to be depended on the performance which is easy for a person who intervenes to do stably, but it causes negative mood and impression. In contrast, to intervene synchronously makes tempo keeping unstable because of performance of a person who intervenes composed of imperfect synchronization, but it gives positive feelings. In addition, it also showed that the intervention which has Fast tempo is too noisy so disturb the tempo keeping, and the intervention which has Slow tempo can be disregard therefore it effects no change.
2010-03-31

テンポ保持に及ぼす音刺激周期の影響

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