Space-time behavior of single and bimanual rhythmical movements: data and limit cycle model.

Space-time behavior of single and bimanual rhythmical movements: data and limit cycle model.
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单手和双手节奏运动的时空行为:数据和极限循环模型。

DOI:
10.1037//0096-1523.13.2.178
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发表时间:
1987
期刊:
Journal of experimental psychology. Human perception and performance
影响因子:
--
通讯作者:
Schöner,G
Schöner,G
中科院分区:
--
文献类型:
--
作者:
Kay,BA;Kelso,JA;Saltzman,EL;Schöner,G

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在需要肢体以各种协调模式单独或一起移动的节奏任务中,空间和时间如何关联?什么样的最小理论模型可以解释观测到的数据?人类周期性运动的早期发现与非线性、极限循环振荡器模型一致(Kelso、Holt、Rubin 和 Kugler,1981),尽管当时没有进行详细的建模。在本研究中,以200样本/秒的速度采样运动学数据,并对运动幅度、频率、峰值速度和相对相位(对于双手模式,同相和反相)进行详细分析。当使用起搏节拍器将频率从 1 赫兹调整到 6 赫兹(以 1 赫兹为步长)时,振幅反而下降,峰值速度增加。在频率条件下,运动的幅度与其峰值速度直接成比例。这些不同的运动学行为是根据低维(非线性)耗散动力学明确建模的,线性刚度作为唯一的控制参数。数据和模型显示比较有利。抽象的动态模型提供了对运动协调和控制的许多基本方面的统一处理。
How do space and time relate in rhythmical tasks that require the limbs to move singly or together in various modes of coordination? And what kind of minimal theoretical model could account for the observed data? Earlier findings for human cyclical movements were consistent with a nonlinear, limit cycle oscillator model (Kelso, Holt, Rubin, & Kugler, 1981) although no detailed modeling was performed at that time. In the present study, kinematic data were sampled at 200 samples/second, and a detailed analysis of movement amplitude, frequency, peak velocity, and relative phase (for the bimanual modes, in phase and antiphase) was performed. As frequency was scaled from 1 to 6 Hz (in steps of 1 Hz) using a pacing metronome, amplitude dropped inversely and peak velocity increased. Within a frequency condition, the movement's amplitude scaled directly with its peak velocity. These diverse kinematic behaviors were modeled explicitly in terms of low-dimensional (nonlinear) dissipative dynamics, with linear stiffness as the only control parameter. Data and model are shown to compare favorably. The abstract, dynamical model offers a unified treatment of a number of fundamental aspects of movement coordination and control.
人类肢体间协调的模式源于非线性、极限循环振荡过程的特性:理论和数据。
DOI: --
发表时间: 1981
影响因子: 1.4
作者:
J. A. S. Kelso;Kenneth G. Holt;Philip E. Rubin;Peter N. Kugler;Katherine S. Harris;David Goodman;B. Tuller;Richard Schmidt;Ronald Marteniuk;Michael
通讯作者: Michael
DOI: 10.1037//0096-1523.10.6.812
发表时间: 1984-12
期刊: Journal of experimental psychology. Human perception and performance
影响因子: --
作者:
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DOI: 10.1044/jshr.1503.453
发表时间: 1972-01-01
期刊: JOURNAL OF SPEECH AND HEARING RESEARCH
影响因子: --
作者:
KENT, RD;MOLL, KL
通讯作者: MOLL, KL
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DOI: --
发表时间: 1980
期刊:
影响因子: --
作者:
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探索人体运动产生的振动系统分析。
DOI: --
发表时间: 1980
影响因子: 2.5
作者:
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通讯作者: Kenneth G Holt