Fig. 5.

Influence of the coupling strength in a network often interconnected neuronal populations. All connections are bidirectional with identical strength K. (a) For null coupling (K=0), resulting signals correspond to normal background activity, (b) The increase of parameter K leads the model to generate sporadic spikes which appear randomly and independently from one population to another, (c) For high K values, synchronization is enhanced and single spikes that involve jointly all populations are produced.