A new framework for the time-and frequency-domain assessment of high-order interactions in networks of random processes

L Faes, G Mijatovic, Y Antonacci… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
While the standard network description of complex systems is based on quantifying the link
between pairs of system units, higher-order interactions (HOIs) involving three or more units …

Gaussian partial information decomposition: Bias correction and application to high-dimensional data

P Venkatesh, C Bennett, S Gale… - Advances in …, 2024 - proceedings.neurips.cc
Recent advances in neuroscientific experimental techniques have enabled us to
simultaneously record the activity of thousands of neurons across multiple brain regions …

Feasibility of ultra-short-term analysis of heart rate and systolic arterial pressure variability at rest and during stress via time-domain and entropy-based measures

G Volpes, C Barà, A Busacca, S Stivala, M Javorka… - Sensors, 2022 - mdpi.com
Heart Rate Variability (HRV) and Blood Pressure Variability (BPV) are widely employed
tools for characterizing the complex behavior of cardiovascular dynamics. Usually, HRV and …

Multivariate correlation measures reveal structure and strength of brain–body physiological networks at rest and during mental stress

R Pernice, Y Antonacci, M Zanetti, A Busacca… - Frontiers in …, 2021 - frontiersin.org
In this work, we extend to the multivariate case the classical correlation analysis used in the
field of network physiology to probe dynamic interactions between organ systems in the …

Information transfer in linear multivariate processes assessed through penalized regression techniques: validation and application to physiological networks

Y Antonacci, L Astolfi, G Nollo, L Faes - Entropy, 2020 - mdpi.com
The framework of information dynamics allows the dissection of the information processed in
a network of multiple interacting dynamical systems into meaningful elements of …

Gradients of O-information highlight synergy and redundancy in physiological applications

T Scagliarini, L Sparacino, L Faes… - Frontiers in Network …, 2024 - frontiersin.org
The study of high order dependencies in complex systems has recently led to the
introduction of statistical synergy, a novel quantity corresponding to a form of emergence in …

Pairwise and higher-order measures of brain-heart interactions in children with temporal lobe epilepsy

R Pernice, L Faes, M Feucht, F Benninger… - Journal of Neural …, 2022 - iopscience.iop.org
Objective. While it is well-known that epilepsy has a clear impact on the activity of both the
central nervous system (CNS) and the autonomic nervous system (ANS), its role on the …

Measuring high-order interactions in rhythmic processes through multivariate spectral information decomposition

Y Antonacci, L Minati, D Nuzzi, G Mijatovic… - IEEE …, 2021 - ieeexplore.ieee.org
Many complex systems in physics, biology and engineering are modeled as dynamical
networks and described using multivariate time series analysis. Recent developments have …

Synergistic information transfer in the global system of financial markets

T Scagliarini, L Faes, D Marinazzo, S Stramaglia… - Entropy, 2020 - mdpi.com
Uncovering dynamic information flow between stock market indices has been the topic of
several studies which exploited the notion of transfer entropy or Granger causality, its linear …

Partial information decomposition via deficiency for multivariate gaussians

P Venkatesh, G Schamberg - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
Bivariate partial information decompositions (PIDs) characterize how the information in a"
message" random variable is decomposed between two" constituent" random variables in …