BinomSG1.par 500 Number of fibres. 1 Random number seed. 0.05e-3 Pulse duration (s). 1.0 Pulse magnitude (nA?). 1.0e-3 Refractory period (s). SpikeGn1.par -1 Random number seed. 1 Number of fibres. 0.05e-3 Pulse duration (s). 1.0 Pulse magnitude (nA?). 1e-3 Refractory period (seconds).