IIT@UniFe Center for Translational Neurophysiology of Speech and Communication, Istituto Italiano di Tecnologia, Ferrara, Italy.
Section of Human Physiology, Università di Ferrara, Ferrara, 44121, Italy.
Sci Rep. 2019 Apr 10;9(1):5854. doi: 10.1038/s41598-019-42395-4.
Group coordination passes through an efficient integration of multimodal sources of information. This study examines complex non-verbal communication by recording movement kinematics from conductors and two sections of violinists of an orchestra adapting to a perturbation affecting their normal pattern of sensorimotor communication (rotation of half a turn of the first violinists' section). We show that different coordination signals are channeled through ancillary (head kinematics) and instrumental movements (bow kinematics). Each one of them affect coordination either at the inter-group or intra-group levels, therefore tapping into different modes of cooperation: complementary versus imitative coordination. Our study suggests that the co-regulation of group behavior is based on the exchange of information across several layers, each one of them tuned to carry specific coordinative signals. Multi-layer sensorimotor communication may be the key musicians and, more generally humans, use to flexibly communicate between each other in interactive sensorimotor tasks.
群体协调需要有效地整合多种模态的信息。本研究通过记录指挥者和管弦乐队的两个小提琴部分的运动运动学，考察了复杂的非言语交流，这些小提琴演奏者适应影响其正常感觉运动交流模式的干扰（第一小提琴部分旋转半圈）。我们表明，不同的协调信号通过辅助（头部运动学）和乐器运动（弓运动学）进行传递。它们中的每一个都在群体间或群体内的层面上影响协调，因此利用了不同的合作模式：互补协调与模仿协调。我们的研究表明，群体行为的共同调节是基于在多个层面上信息的交换，每个层面都调整以携带特定的协调信号。多层感觉运动交流可能是音乐家，更普遍地说是人类，在互动感觉运动任务中灵活交流的关键。
