Measuring High-Order Interactions in Rhythmic Processes Through Multivariate Spectral Information Decomposition

Many complex systems in physics, biology and engineering are modeled as dynamical networks and described using multivariate time series analysis. Recent developments have shown that the emergent dynamics of a network system are significantly affected by interactions involving multiple network nodes...

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Autores principales: Yuri Antonacci, Ludovico Minati, Davide Nuzzi, Gorana Mijatovic, Riccardo Pernice, Daniele Marinazzo, Sebastiano Stramaglia, Luca Faes
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Publicado: IEEE 2021
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Acceso en línea:https://doaj.org/article/3374702d52b8411b8d77058b03158e18
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spelling oai:doaj.org-article:3374702d52b8411b8d77058b03158e182021-11-18T00:03:02ZMeasuring High-Order Interactions in Rhythmic Processes Through Multivariate Spectral Information Decomposition2169-353610.1109/ACCESS.2021.3124601https://doaj.org/article/3374702d52b8411b8d77058b03158e182021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9597508/https://doaj.org/toc/2169-3536Many complex systems in physics, biology and engineering are modeled as dynamical networks and described using multivariate time series analysis. Recent developments have shown that the emergent dynamics of a network system are significantly affected by interactions involving multiple network nodes which cannot be described using pairwise links. While these higher-order interactions can be probed using information-theoretic measures, a rigorous framework to describe them in the frequency domain is still lacking. This work presents an approach for the spectral decomposition of multivariate information measures, capable of identifying higher-order synergistic and redundant interactions between oscillatory processes. We show theoretically that synergy and redundancy can coexist at different frequencies among the output signals of a network system and can be detected only using the proposed spectral method. To demonstrate the broad applicability of the framework, we provide parametric and non-parametric data-efficient estimators for the spectral information measures, and employ them to describe multivariate interactions in three complex systems producing rich oscillatory dynamics, namely the human brain, a ring of electronic oscillators, and the global climate system. In these systems, we show that the use of our framework for the spectral decomposition of information measures reveals multivariate and higher-order interactions not detectable in the time domain. Our results are exemplary of how the frequency-specific analysis of multivariate dynamics can aid the implementation of assessment and control strategies in real-world network systems.Yuri AntonacciLudovico MinatiDavide NuzziGorana MijatovicRiccardo PerniceDaniele MarinazzoSebastiano StramagliaLuca FaesIEEEarticleTime series analysisinformation theoryinformation dynamicsspectral analysishigh-order interactionsEEG analysisElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 149486-149505 (2021)
institution DOAJ
collection DOAJ
language EN
topic Time series analysis
information theory
information dynamics
spectral analysis
high-order interactions
EEG analysis
Electrical engineering. Electronics. Nuclear engineering
TK1-9971
spellingShingle Time series analysis
information theory
information dynamics
spectral analysis
high-order interactions
EEG analysis
Electrical engineering. Electronics. Nuclear engineering
TK1-9971
Yuri Antonacci
Ludovico Minati
Davide Nuzzi
Gorana Mijatovic
Riccardo Pernice
Daniele Marinazzo
Sebastiano Stramaglia
Luca Faes
Measuring High-Order Interactions in Rhythmic Processes Through Multivariate Spectral Information Decomposition
description Many complex systems in physics, biology and engineering are modeled as dynamical networks and described using multivariate time series analysis. Recent developments have shown that the emergent dynamics of a network system are significantly affected by interactions involving multiple network nodes which cannot be described using pairwise links. While these higher-order interactions can be probed using information-theoretic measures, a rigorous framework to describe them in the frequency domain is still lacking. This work presents an approach for the spectral decomposition of multivariate information measures, capable of identifying higher-order synergistic and redundant interactions between oscillatory processes. We show theoretically that synergy and redundancy can coexist at different frequencies among the output signals of a network system and can be detected only using the proposed spectral method. To demonstrate the broad applicability of the framework, we provide parametric and non-parametric data-efficient estimators for the spectral information measures, and employ them to describe multivariate interactions in three complex systems producing rich oscillatory dynamics, namely the human brain, a ring of electronic oscillators, and the global climate system. In these systems, we show that the use of our framework for the spectral decomposition of information measures reveals multivariate and higher-order interactions not detectable in the time domain. Our results are exemplary of how the frequency-specific analysis of multivariate dynamics can aid the implementation of assessment and control strategies in real-world network systems.
format article
author Yuri Antonacci
Ludovico Minati
Davide Nuzzi
Gorana Mijatovic
Riccardo Pernice
Daniele Marinazzo
Sebastiano Stramaglia
Luca Faes
author_facet Yuri Antonacci
Ludovico Minati
Davide Nuzzi
Gorana Mijatovic
Riccardo Pernice
Daniele Marinazzo
Sebastiano Stramaglia
Luca Faes
author_sort Yuri Antonacci
title Measuring High-Order Interactions in Rhythmic Processes Through Multivariate Spectral Information Decomposition
title_short Measuring High-Order Interactions in Rhythmic Processes Through Multivariate Spectral Information Decomposition
title_full Measuring High-Order Interactions in Rhythmic Processes Through Multivariate Spectral Information Decomposition
title_fullStr Measuring High-Order Interactions in Rhythmic Processes Through Multivariate Spectral Information Decomposition
title_full_unstemmed Measuring High-Order Interactions in Rhythmic Processes Through Multivariate Spectral Information Decomposition
title_sort measuring high-order interactions in rhythmic processes through multivariate spectral information decomposition
publisher IEEE
publishDate 2021
url https://doaj.org/article/3374702d52b8411b8d77058b03158e18
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