Table 4.
Synaptic connectivity of the multicompartment network model
| Symbol | Value/definition | Description |
|---|---|---|
| Mean of the normal distribution that defines the maximum synaptic conductance of recurrent connections | ||
| σ(GsynYX) | Standard deviation of the maximum synaptic conductance | |
| CYX | 0.05 for all X, Y | Connection probability (pairwise Bernoulli, no autapses) |
| EsynX | 0 mV for X = E, -80 mV for X = I | Synaptic reversal potential |
| fYX (t) | Synaptic temporal kernel | |
| τ1 | 0.2 ms for X = E, 0.1 ms for X = I | Synaptic rise time constant |
| τ2 | 1.8 ms for X = E, 9.0 ms for X = I | Synaptic decay time constant |
| Mean of the truncated normal distribution that defines the conduction delay (truncated at 0.3 ms) | ||
| σ(ΔYX) | Standard deviation of conduction delays | |
| LYX (z) | Normal distributions that define synaptic density in the z-axis | |
| 0.2 nS | External synapse conductance | |
| Eext | 0 mV | Ext. synapse rev. potential |
| fYext (t) | fYX (t) | Ext. synapse temporal kernel |
| τ1 | 0.2 ms | Ext. synapse rise time constant |
| τ2 | 1.8 ms | Ext. synapse decay time constant |
| kYext | {465, 160} | Number of ext. synapses per neuron |
| 40 s−1 (Poisson statistics) | Ext. syn. activation rate | |
| δ(t) | Ext. syn. conduction delay | |
| LYext | 1 | Ext. syn. depth dependence |