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STDP addition #1

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8c52264
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Mar 16, 2014
d9be34d
Documentation
Mar 20, 2014
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14 changes: 9 additions & 5 deletions PyNN/brunel.py → PyNN/Brunel.py
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Expand Up @@ -159,19 +159,23 @@ def nprint(s):
E_Connector = FixedProbabilityConnector(epsilon, weights=JE, delays=delay, verbose=True)
I_Connector = FixedProbabilityConnector(epsilon, weights=JI, delays=delay, verbose=True)
ext_Connector = OneToOneConnector(weights=JE, delays=dt, verbose=True)
stdp_model = STDPMechanism(
timing_dependence=SpikePairRule(tau_plus=20.0, tau_minus=20.0),
weight_dependence=AdditiveWeightDependence(w_min=0, w_max=0.02,
A_plus=0.01, A_minus=0.012))

print "%d Connecting excitatory population with connection probability %g, weight %g nA and delay %g ms." % (rank, epsilon, JE, delay)
E_to_E = Projection(E_net, E_net, E_Connector, rng=rng, target="excitatory")
#print "%d Connecting excitatory population with connection probability %g , weight %g nA and delay %g ms." % (rank, epsilon, JE, delay)
E_to_E = Projection(E_net, E_net, E_Connector,synapse_dynamics=SynapseDynamics(slow=stdp_model), rng=rng, target="excitatory")
print "E --> E\t\t", len(E_to_E), "connections"
I_to_E = Projection(I_net, E_net, I_Connector, rng=rng, target="inhibitory")
I_to_E = Projection(I_net, E_net, I_Connector,synapse_dynamics=SynapseDynamics(slow=stdp_model), rng=rng, target="inhibitory")
print "I --> E\t\t", len(I_to_E), "connections"
input_to_E = Projection(expoisson, E_net, ext_Connector, target="excitatory")
print "input --> E\t", len(input_to_E), "connections"

print "%d Connecting inhibitory population with connection probability %g, weight %g nA and delay %g ms." % (rank, epsilon, JI, delay)
E_to_I = Projection(E_net, I_net, E_Connector, rng=rng, target="excitatory")
E_to_I = Projection(E_net, I_net, E_Connector,synapse_dynamics=SynapseDynamics(slow=stdp_model), rng=rng, target="excitatory")
print "E --> I\t\t", len(E_to_I), "connections"
I_to_I = Projection(I_net, I_net, I_Connector, rng=rng, target="inhibitory")
I_to_I = Projection(I_net, I_net, I_Connector,synapse_dynamics=SynapseDynamics(slow=stdp_model), rng=rng, target="inhibitory")
print "I --> I\t\t", len(I_to_I), "connections"
input_to_I = Projection(inpoisson, I_net, ext_Connector, target="excitatory")
print "input --> I\t", len(input_to_I), "connections"
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2 changes: 2 additions & 0 deletions README.md
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Expand Up @@ -4,3 +4,5 @@ Brunel2000
Sparsely connected spiking neuron network from Brunel 2000.

See http://www.opensourcebrain.org/projects/brunel2000

* Forked from OSB repository *
6 changes: 6 additions & 0 deletions README.md~
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@@ -0,0 +1,6 @@
Brunel2000
==========

Sparsely connected spiking neuron network from Brunel 2000.

See http://www.opensourcebrain.org/projects/brunel2000