Temporal Control and Hand Movement Efficiency in Skilled Music Performance

被引:56
|
作者
Goebl, Werner [1 ]
Palmer, Caroline [2 ]
机构
[1] Univ Mus & Performing Arts Vienna, Inst Mus Acoust, Vienna, Austria
[2] McGill Univ, Dept Psychol, Montreal, PQ, Canada
来源
PLOS ONE | 2013年 / 8卷 / 01期
基金
加拿大自然科学与工程研究理事会; 奥地利科学基金会;
关键词
FINGER MOVEMENTS; PIANO; ACCURACY; FEEDBACK; MODEL;
D O I
10.1371/journal.pone.0050901
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Skilled piano performance requires considerable movement control to accomplish the high levels of timing and force precision common among professional musicians, who acquire piano technique over decades of practice. Finger movement efficiency in particular is an important factor when pianists perform at very fast tempi. We document the finger movement kinematics of highly skilled pianists as they performed a five-finger melody at very fast tempi. A three-dimensional motion-capture system tracked the movements of finger joints, the hand, and the forearm of twelve pianists who performed on a digital piano at successively faster tempi (7-16 tones/s) until they decided to stop. Joint angle trajectories computed for all adjacent finger phalanges, the hand, and the forearm (wrist angle) indicated that the metacarpophalangeal joint contributed most to the vertical fingertip motion while the proximal and distal interphalangeal joints moved slightly opposite to the movement goal (finger extension). An efficiency measure of the combined finger joint angles corresponded to the temporal accuracy and precision of the pianists' performances: Pianists with more efficient keystroke movements showed higher precision in timing and force measures. Keystroke efficiency and individual joint contributions remained stable across tempo conditions. Individual differences among pianists supported the view that keystroke efficiency is required for successful fast performance.
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页数:10
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