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. 2015 Apr 14;11(4):e1004225. doi: 10.1371/journal.pcbi.1004225

Fig 3. Relationships of node degree, amplitude and dPLI in inhomogeneous model networks.

Fig 3

The Stuart-Landau model was simulated on two different inhomogeneous networks, a random network (A, C) and a scale-free network (B, D). The dPLI and amplitude have strong correlations with node degree, which demonstrate the relationship between network topology (node degree) and local node dynamics (i.e., phase and amplitude modulation). Larger node degrees have phase lag (dPLI <0) and larger amplitude, while smaller node degrees have phase lead (dPLI >0) and smaller amplitude, irrespective of the type of inhomogeneous network. Average dPLI for each node was calculated by averaging the dPLI values of each node with respect to all other nodes. For the simulation, the time delay between each node was given as 10ms. The coupling strength S was set to 1.5, where the separation of activities between hub nodes and peripheral nodes begins to emerge.