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Preferential interaction networks: A dynamic model for brain synchronization networks

Author

Listed:
  • Sousa, R.A.
  • Lula-Rocha, V.N.A.
  • Toutain, T.
  • Rosário, R.S.
  • Cambui, E.C.B.
  • Miranda, J.G.V.

Abstract

In this work, we propose a weighted network model called a preferential interaction network (PIN), whose construction is based on mechanisms similar to those of the scale-free network model developed by Albert and Barabási. The PIN aims to reproduce the behaviour of real systems of fixed size in which stronger connections are reinforced over time. Its composition starts with a network with fixed nodes, and obeys two basic processes: firstly, an increase in the edge weights, and secondly, a preferential interaction is added. Preferential interaction is defined as the tendency whereby edges with larger weights are more likely to be chosen in a iteration. PIN has three parameters: the size of the network, the rate of increase of the weights, and the number of iterations. These parameters were used to fit the model to EEG brain synchronization networks of healthy subjects. The complementary cumulative distribution of weight in the model was compared to the corresponded distribution in EEG networks. The shape of the model distribution showed similar to those of the EEG data networks and the PIN model topology index are closer than a random null model, suggesting that a preferential interaction process represents the core of brain synchronization dynamics.

Suggested Citation

  • Sousa, R.A. & Lula-Rocha, V.N.A. & Toutain, T. & Rosário, R.S. & Cambui, E.C.B. & Miranda, J.G.V., 2020. "Preferential interaction networks: A dynamic model for brain synchronization networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 554(C).
  • Handle: RePEc:eee:phsmap:v:554:y:2020:i:c:s0378437120300704
    DOI: 10.1016/j.physa.2020.124259
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    References listed on IDEAS

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    1. Rosário, R.S. & Cardoso, P.T. & Muñoz, M.A. & Montoya, P. & Miranda, J.G.V., 2015. "Motif-Synchronization: A new method for analysis of dynamic brain networks with EEG," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 439(C), pages 7-19.
    2. Barthélemy, Marc & Barrat, Alain & Pastor-Satorras, Romualdo & Vespignani, Alessandro, 2005. "Characterization and modeling of weighted networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 346(1), pages 34-43.
    3. Dorogovtsev, S.N. & Mendes, J.F.F., 2003. "Evolution of Networks: From Biological Nets to the Internet and WWW," OUP Catalogue, Oxford University Press, number 9780198515906.
    4. Li, Menghui & Wu, Jinshan & Wang, Dahui & Zhou, Tao & Di, Zengru & Fan, Ying, 2007. "Evolving model of weighted networks inspired by scientific collaboration networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 375(1), pages 355-364.
    5. Li, Chunguang & Chen, Guanrong, 2006. "Modelling of weighted evolving networks with community structures," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 370(2), pages 869-876.
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    Cited by:

    1. Pi, Xiaochen & Tang, Longkun & Chen, Xiangzhong, 2021. "A directed weighted scale-free network model with an adaptive evolution mechanism," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 572(C).

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