Direction of coupling from phases of interacting oscillators: A permutation information approach.

Bahraminasab, Alireza and Ghasemi, Fatemeh and Stefanovska, Aneta and McClintock, Peter V. E. and Kantz, Holger (2008) Direction of coupling from phases of interacting oscillators: A permutation information approach. Physical review letters, 100 (8). 084101. ISSN 1079-7114

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Abstract

We introduce a directionality index for a time series based on a comparison of neighboring values. It can distinguish unidirectional from bidirectional coupling, as well as reveal and quantify asymmetry in bidirectional coupling. It is tested on a numerical model of coupled van der Pol oscillators, and applied to cardiorespiratory data from healthy subjects. There is no need for preprocessing and fine-tuning the parameters, which makes the method very simple, computationally fast and robust.

Item Type: Journal Article
Journal or Publication Title: Physical review letters
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 11265
Deposited By: Dr Aneta Stefanovska
Deposited On: 06 Aug 2008 20:04
Refereed?: Yes
Published?: Published
Last Modified: 21 Aug 2019 00:24
URI: https://eprints.lancs.ac.uk/id/eprint/11265

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