Table 2.
Parameters for computer simulations
| Neuron parameters | ||
| θ | Neuron stochastic threshold | 20 mV |
| ρ0 | Neuron firing rate at threshold | 52 Hz |
| ΔU | Width of spike trigger zone | 4 mV |
| trefract | Refractory period | 2 ms |
| ηreset | Reset kernel |  |
| Synapse parameters | ||
| ε(s) | EPSP kernel |  |
| wini | Initial weight value | Uniformly distributed in [0.0025, 0.0225] |
| wmax | Maximal weight value | 0.15 [−] |
| Branch parameters | ||
| β0 | Dendritic spike amplitude | 9 mV |
| ϕdend | Dendritic spike threshold | 7 mV |
| uini | Initial branch strength | 0.5 [−] |
| upassive | Passive EPSP decay constant | 0.8 [−] |
| Plasticity parameters | ||
| η | Learning rate, pre-spike LTP | 0.004 mV−2 s−1 |
| κ | Offset for pre-spike LTP | 1 mV |
| A+ | STDP, LTP factor | 0.02 [−] |
| A− | STDP, LTD factor | 0.01 [−] |
| τ+ | STDP, LTP time constant | 16.8 ms |
| τ− | STDP, LTD time constant | 33.7 ms |
| ρ0LTP | STDP, rate dependency factor | 40 s−1 |
| ϕ+ | Threshold for LTP induction | 17 mV |
| ηbranch | Learning rate for BSP | 0.25 mV−1 s−1 |
| ϕb | Target potential for BSP | 30 mV |
| ϕstabilize | Threshold for adaptive learn rate | 16.5 mV |
| ηstabilize | Adaptive learn-rate stabilization factor | 0.97 [−] |