Figure 2: Illustration of the activity in the network illustrated in figure 1. Traces of simulated membrane potentials for 90 neurons are shown. The top 81 traces are for the excitatory neurons and the bottom 9 traces are for the inhibitory neurons. Nine selected neurons are continuously activated by random Poisson excitatory input, with $A_n=0.786 mA$ and $\lambda=0.00003$. Synaptic weights equal 60 for excitatory connections and -120 for inhibitory connections. A. The output from simulations of network where each neuron has 2 excitatory and 3 inhibitory synapses on input. Synchrony measure $\Delta =0.027$. B. The output from simulations of network with 3 excitatory and 5 inhibitory synaptic inputs; $\Delta=0.077$. C.The output from simulations of network with 4 excitatory and 6 inhibitory synaptic inputs; $\Delta = 0.25$.