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Updated: Feb 23, 2026

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Hub-driven remote synchronization in brain networks.

Vladimir Vlasov1, Angelo Bifone2

  • 1Center for Neuroscience and Cognitive Systems, Istituto Italiano di Tecnologia, Corso Bettini, 31, I-38068, Rovereto, Italy. vladimir.vlasov@iit.it.

Scientific Reports
|September 6, 2017
PubMed
Summary
This summary is machine-generated.

Remote synchronization (RS) in networks occurs when unconnected nodes synchronize via a central hub. This study reveals hubs actively drive RS, even against repulsive forces, offering new insights into network dynamics and brain connectivity.

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Area of Science:

  • Physics
  • Network Science
  • Computational Neuroscience

Background:

  • Remote synchronization (RS) traditionally assumes hubs passively relay information in star networks.
  • The role of hubs in governing network dynamics, especially in complex, multi-hub systems, remains incompletely understood.

Purpose of the Study:

  • To investigate the physical origin of remote synchronization.
  • To explore the active role of hub nodes in driving network synchronization dynamics.
  • To examine RS in complex networks with multiple hubs, inspired by brain connectivity.

Main Methods:

  • Simulations of coupled oscillators in complex network topologies with varying numbers of hubs.
  • Analysis of network dynamics under different hub properties, including natural frequency and repulsive mean fields.
  • Characterization of synchronization patterns, distinguishing between direct, remote, and hub-driven desynchronization.

Main Results:

  • Hub nodes actively drive remote synchronization, even when subjected to repulsive forces, challenging the passive gate model.
  • A single hub's natural frequency can significantly alter global synchronization patterns across the entire network.
  • The system can transition between direct synchronization, remote synchronization, and hub-driven desynchronization by modifying hub properties.

Conclusions:

  • Hubs are not passive conduits but active controllers of remote synchronization in complex networks.
  • Hub-driven remote synchronization offers a potential mechanism explaining the influence of structural hubs on brain functional connectivity.
  • This work redefines the understanding of synchronization phenomena in networked systems, with implications for neuroscience and complex systems theory.