Table 2.
Parameter values required for numerical reproducibility | ||
---|---|---|
w in | 100 nS | Weights of input connections ⊙ |
σξ | Gaussian white noise in the neuron model ⊙ | |
d reward | 25 ms | Delay of reward signal relative to the onset of the next sequence element ⊘ |
80 ms | Excitatory synaptic time constant (EE and IE) within the network ◇ | |
10 ms | Inhibitory synaptic time constant (EI) ◇ | |
τref | 3 ms | Refractory period ◇ |
φ | 0.26 | Connection density for all connections (including recurrent) ◇ |
νin | 30 Hz | Rate of the Poisson input ◇ |
η | 0.16 | Learning rate for recurrent connections ◇ |
ηff | 20 | Learning rate for feedforward connections ◇ |
Symbols ⊘ and ⊛ as in Table 1. Additionally, ⊙ denotes parameters with no specific values given, while ◇ denotes a mismatch between the values reported in the paper and the ones used in the reference implementation.