Fig. 2.

Left-hand side Spike times of the neurons in the network. Each point denotes a spike. The ordinate denotes the number of the neuron if numbered serially. Above the black line are the inhibitory neurons, below it the excitatory neurons. Right-hand side The order parameter r _W over the time (ordinata: relative to stimulation onset t = 0). Amplitude of stimulation is 10 in both cases. Note the different scaling of the abscissae on the left- and the right-hand side. (a, b) Before stimulation. (c, d) Uninterrupted stimulation. (e, f) 10 Hz rectangular pulses. (g, h) 100 Hz rectangular pulses. (i, j) 1,000 Hz rectangular pulses