ArticleNetwork neuroscience (Cambridge, Mass.)2020
The role of node dynamics in shaping emergent functional connectivity patterns in the brain.
Article in Network neuroscience (Cambridge, Mass.), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 34 citations in OpenAlex.
- Accurately modeling resting-brain functional connectivity using hypergraph neural field-Fourier deep neural network.Scientific reports · 2026Article
- Direct and Retrograde Wave Propagation in Unidirectionally Coupled Wilson-Cowan Oscillators.Physical review letters · 2025Article
- Dialogue mechanisms between astrocytic and neuronal networks: A whole-brain modelling approach.PLoS computational biology · 2025Article
- Whole brain functional connectivity: Insights from next generation neural mass modelling incorporating electrical synapses.PLoS computational biology · 2024Article
- Review
- Criticality and partial synchronization analysis in Wilson-Cowan and Jansen-Rit neural mass models.PloS one · 2024Article
- Comparison between an exact and a heuristic neural mass model with second-order synapses.Biological cybernetics · 2023Article
- Complex spatiotemporal oscillations emerge from transverse instabilities in large-scale brain networks.PLoS computational biology · 2023Article
- Comparing individual and group-level simulated neurophysiological brain connectivity using the Jansen and Rit neural mass model.Network neuroscience (Cambridge, Mass.) · 2023Article
- Structure-function clustering in weighted brain networks.Scientific reports · 2022Article
- Phase synchronization and measure of criticality in a network of neural mass models.Scientific reports · 2022Article
- Mean-Field Models for EEG/MEG: From Oscillations to Waves.Brain topography · 2022Article
- A perturbative approach to study information communication in brain networks.Network neuroscience (Cambridge, Mass.) · 2022Article
- A large-scale brain network mechanism for increased seizure propensity in Alzheimer's disease.PLoS computational biology · 2021Article
- FNS allows efficient event-driven spiking neural network simulations based on a neuron model supporting spike latency.Scientific reports · 2021Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The contribution of structural connectivity to functional brain states remains poorly understood. We present a mathematical and computational study suited to assess the structure-function issue, treating a system of Jansen-Rit neural mass nodes with heterogeneous structural connections estimated from diffusion MRI data provided by the Human Connectome Project. Via direct simulations we determine the similarity of functional (inferred from correlated activity between nodes) and structural connectivity matrices under variation of the parameters controlling single-node dynamics, highlighting a nontrivial structure-function relationship in regimes that support limit cycle oscillations. To determine their relationship, we firstly calculate network instabilities giving rise to oscillations, and the so-called 'false bifurcations' (for which a significant qualitative change in the orbit is observed, without a change of stability) occurring beyond this onset. We highlight that functional connectivity (FC) is inherited robustly from structure when node dynamics are poised near a Hopf bifurcation, whilst near false bifurcations, and structure only weakly influences FC. Secondly, we develop a weakly coupled oscillator description to analyse oscillatory phase-locked states and, furthermore, show how the modular structure of FC matrices can be predicted via linear stability analysis. This study thereby emphasises the substantial role that local dynamics can have in shaping large-scale functional brain states.
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