Spectral Time-Varying Pattern Causality and Its Application

Y Mi, A Lin - IEEE Journal of Biomedical and Health Informatics, 2024 - ieeexplore.ieee.org
In this paper, a new method based on delayed pattern causality is proposed, called spectral
time-varying pattern causality. Specifically, this method uses symbolic dynamics and phase …

Efficient Estimation of Directed Connectivity in Nonlinear and Nonstationary Spiking Neuron Networks

W Chen, Y Wang, Y Yang - IEEE Transactions on Biomedical …, 2023 - ieeexplore.ieee.org
Objective: Studying directed connectivity within spiking neuron networks can help
understand neural mechanisms. Existing methods assume linear time-invariant neural …

[HTML][HTML] Biophysical parameters control signal transfer in spiking network

T Garnier Artiñano, V Andalibi, I Atula… - Frontiers in …, 2023 - frontiersin.org
Introduction Information transmission and representation in both natural and artificial
networks is dependent on connectivity between units. Biological neurons, in addition …

Cortical multi-area model with joint excitatory-inhibitory clusters accounts for spiking statistics, inter-area propagation, and variability dynamics

J Pronold, A Morales-Gregorio, V Rostami… - bioRxiv, 2024 - biorxiv.org
The primate brain uses billions of interacting neurons to produce macroscopic dynamics and
behavior, but current methods only allow neuroscientists to investigate a subset of the neural …

Spatiotemporal Characterization of Neural Network Activity

SS Deshpande - 2023 - search.proquest.com
Uncovering information hidden within brain networks can be a daunting task, especially in
the cases of abnormal, disrupted neural networks, such as epilepsy. Here, I present a …

Inferring causality in highly-synchronized dynamics

J Calderon, G Berman - Bulletin of the American Physical Society, 2020 - APS
The brain is a complex system with intricate neural dynamics, exhibiting interactions that are
thought to be crucial for emergent cognitive functions. Causality methods provide a powerful …

Latent Dynamical Model to Characterize Brain Network-Level Rhythmic Dynamics

RS Fard, N Ziaei, A Yousefi - 2023 45th Annual International …, 2023 - ieeexplore.ieee.org
Characterizing network-level rhythmic dynamics over multiple spatio-temporal scales can
significantly advance our understanding of brain cognitive function and information …

Frequency-specific non-linear granger causality in a network of brain signals

A Biswas, H Ombao - ICASSP 2022-2022 IEEE International …, 2022 - ieeexplore.ieee.org
We propose a novel algorithm to extract frequency-band specific and non-linear Granger
causality (Spectral NLGC) connections between components of a multivariate time series …

Statistical Analysis of Single‐Trial Granger Causality Spectra

A Brovelli - Computational and Mathematical Methods in …, 2012 - Wiley Online Library
Granger causality analysis is becoming central for the analysis of interactions between
neural populations and oscillatory networks. However, it is currently unclear whether single …

COMBINING FRACTAL AND INDEPENDENT COMPONENT ANALYSES: A NEW TOOL FOR CHARACTERIZING IRREGULAR FIELD POTENTIAL ACTIVITY

R Muñoz-Arnaiz, V Makarov… - IBRO Neuroscience …, 2023 - ibroneuroreports.org
Intracranial field potentials (FP) are mesoscopic electrical signals that reflect the activity of
neuron populations with high temporal precision. They also provide good spatial resolution …