Modelling and Data Analysis
2025. Vol. 15, no. 3, 94–112
doi:10.17759/mda.2025150306
ISSN: 2219-3758 / 2311-9454 (online)
Optimization of signal transmission between neural populations by stimulation of driver nodes
Abstract
Context and relevance. Synchronized activity is critical in brain neural networks, yet the precise mechanisms that ensure coherence of activity between different brain parts remain unclear. Objective. To determine how the choice of driver nodes (according to different centrality metrics) affects the propagation of spiking activity between two sparsely connected clusters. Hypothesis. The selection of control nodes in the first cluster improves the propagation of spike activity to the second cluster compared to a random selection of neurons. Methods and Materials. In a two-cluster network modeled by a stochastic block model, a fraction of neurons in the first cluster (10-20%) were subjected to external stimulation. Driver nodes were selected randomly or by centrality: betweenness, closeness, degree, eigenvector, harmonic, and percolation. Results. When stimulating the neurons chosen on the base of various centrality measures, the average firing rate in the second cluster increased proportionally to the number of driver nodes and synchronized with the first cluster. Conclusions. Network topology and driver node selection metrics determine the efficiency and robustness of inter-cluster synchronization, which is important for neuromodulation and the development of bio-inspired computing systems.
General Information
Keywords: spiking neural networks, centrality, synchronization, driver nodes, stochastic block model
Journal rubric: Optimization Methods
Article type: scientific article
DOI: https://doi.org/10.17759/mda.2025150306
Funding. The study was supported by the Russian Science Foundation, project number 24-21-00470, https://rscf.ru/en/project/24-21-00470/.
Received 30.06.2025
Revised 11.07.2025
Accepted
Published
For citation: Batuev, B.B., Onuchin, A.A., Sukhov, S.V. (2025). Optimization of signal transmission between neural populations by stimulation of driver nodes. Modelling and Data Analysis, 15(3), 94–112. (In Russ.). https://doi.org/10.17759/mda.2025150306
© Batuev B.B., Onuchin A.A., Sukhov S.V., 2025
License: CC BY-NC 4.0
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Information About the Authors
Contribution of the authors
Sukhov S.V. — ideas; writing and design of the manuscript; planning of the research; control over the research.
Batuev B.B. — application of statistical, mathematical or other methods for data analysis; conducting the experiment; data collection and analysis; visualization of research results, writing and design of the manuscript.
Onuchin A.A. — application of statistical, mathematical or other methods for data analysis; conducting the experiment; data collection and analysis; visualization of research results, writing and design of the manuscript.
All authors participated in the discussion of the results and approved the final text of the manuscript.
Conflict of interest
The authors declare no conflict of interest.
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