Modeling and dissociation of intrinsic and input-driven neural population dynamics underlying behavior

P Vahidi, OG Sani… - Proceedings of the …, 2024 - National Acad Sciences
Neural dynamics can reflect intrinsic dynamics or dynamic inputs, such as sensory inputs or
inputs from other brain regions. To avoid misinterpreting temporally structured inputs as …

[HTML][HTML] Neuronal travelling waves explain rotational dynamics in experimental datasets and modelling

E Kuzmina, D Kriukov, M Lebedev - Scientific Reports, 2024 - nature.com
Spatiotemporal properties of neuronal population activity in cortical motor areas have been
subjects of experimental and theoretical investigations, generating numerous interpretations …

Causal connectivity measures for pulse-output network reconstruction: Analysis and applications

ZK Tian, K Chen, S Li… - Proceedings of the …, 2024 - National Acad Sciences
The causal connectivity of a network is often inferred to understand network function. It is
arguably acknowledged that the inferred causal connectivity relies on the causality measure …

Dynamical Differential Covariance based Brain Network for Motor Intent Recognition

R Fu, Y Du, S Wang, G Wen, J Chen… - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
In the field of motor imagery (MI) recognition based on electroencephalogram (EEG),
complex network-based analysis of brain connectivity has gained significant attention …

Dynamic Brain Networks with Prescribed Functional Connectivity

U Casti, G Baggio, D Benozzo… - 2023 62nd IEEE …, 2023 - ieeexplore.ieee.org
In this paper, we consider stable stochastic linear systems modeling whole-brain resting-
state dynamics. We parametrize the state matrix of the system (effective connectivity) in …

Information-transfer characteristics in network motifs

F Mori, T Okada - Physical Review Research, 2023 - APS
Information processing in biological systems is realized by the appropriate transmission of
information flows over complex networks, such as gene regulatory, signal transduction, and …

A General Framework for Characterizing Optimal Communication in Brain Networks

K Fakhar, F Hadaeghi, C Seguin, S Dixit, A Messe… - bioRxiv, 2024 - biorxiv.org
Communication in brain networks is the foundation of cognitive function and behavior. A
multitude of evolutionary pressures, including the minimization of metabolic costs while …

Estimating effective connectivity in neural networks: comparison of derivative-based and correlation-based methods

N Laasch, W Braun, L Knoff, J Bielecki, CC Hilgetag - bioRxiv, 2024 - biorxiv.org
Inferring and understanding the underlying connectivity structure of a system solely from the
observed activity of its constituent components is a challenge in many areas of science. In …

On the Rotational Structure in Neural Data

E Kuzmina, D Kriukov, M Lebedev - bioRxiv, 2023 - biorxiv.org
Spatiotemporal properties of the activity of neuronal populations in cortical motor areas have
been the subject of many experimental and theoretical investigations, which generated …

Scalable covariance-based connectivity inference for synchronous neuronal networks

T Kim, D Chen, P Hornauer, SS Kumar, M Schröter… - bioRxiv, 2023 - biorxiv.org
We present a novel method for inferring connectivity from large-scale neuronal networks
with synchronous activity. Our approach leverages Dynamic Differential Covariance to …