Department of Health and Kinesiology, Texas A&M University, College Station, TX 77843-4243, USA.
Exp Brain Res. 2010 Apr;202(2):519-25. doi: 10.1007/s00221-009-2154-1. Epub 2010 Jan 13.
The purpose of the experiment was to determine the influence of Lissajous feedback on 1:1 bimanual coordination patterns (0 degrees , 90 degrees , and 180 degrees phase lags) when the movement amplitudes of the two limbs were different (30 degrees , 60 degrees ). The present data supports the notion that the lead-lag relationship as well as amplitude assimilation observed in the literature can be partially attributed to the visual-perceptual factors present in the testing environment. When participants are provided integrated feedback in the form of Lissajous plots much of the lead-lag and amplitude assimilation effects were eliminated, and relative phase error and variability were also greatly reduced after only 3 min of practice under each condition.
实验的目的是确定利萨如反馈对 1:1 双手协调模式（0 度、90 度和 180 度相位滞后）的影响，此时两个肢体的运动幅度不同（30 度、60 度）。目前的数据支持这样一种观点，即文献中观察到的领先-滞后关系以及幅度同化部分归因于测试环境中存在的视觉感知因素。当参与者以利萨如图的形式提供集成反馈时，大部分领先-滞后和幅度同化效应被消除，并且在每种条件下仅练习 3 分钟后，相对相位误差和可变性也大大降低。
