Department of Psychology.
J Exp Psychol Hum Percept Perform. 2013 Dec;39(6):1541-56. doi: 10.1037/a0031953. Epub 2013 Mar 4.
Research on interpersonal coordination has demonstrated that incongruent tasks lead to unintended movements in the orthogonal plane. These effects have been interpreted using both an embodied simulation and coordination dynamics approach. To distinguish between these two perspectives, two experiments examined whether this congruency effect is best defined spatially or anatomically. In the first experiment, participants coordinated congruent and incongruent rhythmic arm movements with an actor. To dissociate spatial and anatomical congruency, the actor was rotated 90° in the coronal plane for half of the trials. In the second experiment, participants coordinated movements of different limbs (leg and arm). Spatial and anatomical congruency was dissociated here by rotating the actor in the transverse plane. In both experiments, the unintended movements associated with the congruency effect emerged as a function of spatial congruency; there was no congruency effect associated with anatomical congruency. The data suggests that these unintended movements represent the recruitment of additional df necessary to stabilize an unstable form of coordination.
人际协调研究表明，不协调的任务会导致正交平面上的意外运动。这些效应已经通过具身模拟和协调动力学方法进行了解释。为了区分这两种观点，两个实验检验了这种协调效应是最好在空间上还是解剖学上定义。在第一个实验中，参与者与一个演员协调一致和不协调的节奏手臂运动。为了分离空间和解剖学的一致性，演员在一半的试验中在冠状面旋转 90°。在第二个实验中，参与者协调不同肢体（腿和手臂）的运动。通过在横平面上旋转演员，这里分离了空间和解剖学的一致性。在两个实验中，与协调效应相关的意外运动都是空间一致性的函数；与解剖学一致性无关。数据表明，这些意外运动代表了为稳定不稳定的协调形式而招募的额外 df 的必要性。
