Table 1.
M-SGM parameter values, initial guesses, and bounds for parameter estimation.
Name | Symbol | Initial value 1 | Initial value 2 | Initial value 3 | Lower/upper bound for optimization |
---|---|---|---|---|---|
Excitatory time constant | τ e | 0.012 s | 0.018 s | 0.006 s | [0.005 s, 0.02 s] |
Inhibitory time constant | τ i | 0.005 s | 0.01 s | 0.018 s | [0.005 s, 0.02 s] |
Long-range connectivity coupling constant | α | 1 | 0.5 | 0.1 | [0.1, 1] |
Transmission velocity | υ | 5 m/s | 10 m/s | 18 m/s | [5 m/s, 20 m/s] |
Alternating population gain | g ei | 4 | 2 | 1 | [0.5, 5] |
Inhibitory gain | g ii | 1 | 2 | 4 | [0.5, 5] |
Graph time constant | τ G | 0.006 s | 0.01 s | 0.018 s | [0.005 s, 0.02 s] |
Excitatory gain | g ee | n/a | n/a | n/a | n/a |