Example: ring (misc)ΒΆ
A ring of integrate-and-fire neurons.
from brian import *
tau = 10 * ms
v0 = 11 * mV
N = 20
w = 1 * mV
ring = NeuronGroup(N, model='dv/dt=(v0-v)/tau : volt', threshold=10 * mV, reset=0 * mV)
W = Connection(ring, ring, 'v')
for i in range(N):
W[i, (i + 1) % N] = w
ring.v = rand(N) * 10 * mV
S = SpikeMonitor(ring)
run(300 * ms)
raster_plot(S)
show()