Effects of time-delay in a model of intra- and inter-personal motor coordination
European Physical Journal - Special Topics
EDP Sciences: EPJ
© The Author(s) 2016. This is an Open Access article distributed under the terms of the Creative Commons Attribution License(http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Motor coordination is an important feature of intra- and inter-personal interactions, and several scenarios | from _nger tap- ping to human-computer interfaces | have been investigated experi- mentally. In the 1980s, Haken, Kelso and Bunz formulated a coupled nonlinear two-oscillator model, which has been shown to describe many observed aspects of coordination tasks. We present here a bifurcation study of this model, where we consider a delay in the coupling. The delay is shown to have a signi_cant e_ect on the observed dynamics. In particular, we _nd a much larger degree of bistablility between in-phase and anti-phase oscillations in the presence of a frequency detuning.
This work was funded by the European Project AlterEgo FP7 ICT 2.9 - Cognitive Sciences and Robotics, Grant Number 600610, and KT-A was supported by grant EP/L000296/1 of the Engineering and Physical Sciences Research Council (EPSRC).
This is the author accepted manuscript. The final version is available from EDP Sciences via the DOI in this record.
Vol. 225, Iss. 13, pp. 2591–2600