Table 1 SGM parameter values, initial guesses, and bounds for parameter estimation for static spectra fitting

Excitatory time constant

\(\tau _{\textrm{e}}\)

15 ms

25 ms

6 ms

[5 ms, 30 ms]

Inhibitory time constant

\(\tau _{\textrm{i}}\)

10 ms

8 ms

150 ms

[5 ms, 200 ms]

Long-range connectivity coupling constant

\(\alpha\)

1

0.5

0.1

[0.1, 1]

Transmission speed

v

5 m/s

10 m/s

18 m/s

[5 m/s, 20 m/s]

Alternating population gain

\(g_{\textrm{ei}}\)

0.3

0.2

0.1

[0.001,0.7], [0.001,0.5], [0.001,0.4]

Inhibitory gain

\(g_{\textrm{ii}}\)

0.6

0.1

1.2

[0.001,2.0], [0.001,1.5], [0.001,1.5]

Graph time constant

\(\tau _{\textrm{G}}\)

6 ms

15 ms

25 ms

[5 ms, 30 ms]

Excitatory gain

\(g_{\textrm{ee}}\)

n/a

n/a

n/a

n/a