双手和人际切分节奏手指敲击的复杂性匹配效应
Complexity matching effects in bimanual and interpersonal syncopated finger tapping.
作者信息
Coey Charles A, Washburn Auriel, Hassebrock Justin, Richardson Michael J
机构信息
Center for Cognition, Action and Perception, Department of Psychology, University of Cincinnati, 47 Corry Blvd, Edwards 1 Center, Cincinnati, OH 45221-0376, USA.
Department of Psychology, Miami University, 90 N. Patterson Ave, Oxford, OH 45056, USA.
出版信息
Neurosci Lett. 2016 Mar 11;616:204-10. doi: 10.1016/j.neulet.2016.01.066. Epub 2016 Feb 1.
The current study was designed to investigate complexity matching during syncopated behavioral coordination. Participants either tapped in (bimanual) syncopation using their two hands, or tapped in (interpersonal) syncopation with a partner, with each participant using one of their hands. The time series of inter-tap intervals (ITI) from each hand were submitted to fractal analysis, as well as to short-term and multi-timescale cross-correlation analyses. The results demonstrated that the fractal scaling of one hand's ITI was strongly correlated to that of the other hand, and this complexity matching effect was stronger in the bimanual condition than in the interpersonal condition. Moreover, the degree of complexity matching was predicted by the strength of short-term cross-correlation and the stability of the asynchrony between the two tapping series. These results suggest that complexity matching is not specific to the inphase synchronization tasks used in past research, but is a general result of coordination between complex systems.
本研究旨在调查切分节奏行为协调过程中的复杂性匹配。参与者要么用双手进行（双手）切分节奏敲击，要么与伙伴进行（人际）切分节奏敲击，每个参与者只用一只手。来自每只手的敲击间隔时间序列（ITI）被用于分形分析，以及短期和多时间尺度互相关分析。结果表明，一只手的ITI的分形标度与另一只手的分形标度高度相关，并且这种复杂性匹配效应在双手条件下比在人际条件下更强。此外，复杂性匹配程度由短期互相关强度和两个敲击序列之间异步性的稳定性预测。这些结果表明，复杂性匹配并非过去研究中所使用的同相同步任务所特有，而是复杂系统之间协调的普遍结果。
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