Table 1 Typical values established in the original JR-NMM [ 13 ] taken from [ 19 ]
From: A Stochastic Version of the Jansen and Rit Neural Mass Model: Analysis and Numerics
Parameter | Description | Typical value |
|---|---|---|
A | Average excitatory synaptic gain | 3.25 mV |
B | Average inhibitory synaptic gain | 22 mV |
\(a^{-1}\) | Time constant of excitatory postsynaptic potential | 10 ms |
\(b^{-1}\) | Time constant of inhibitory postsynaptic potential | 20 ms |
C | Average number of synapses between the populations | 135 |
\(C_{1}\) | Avg. no. of syn. established by principal neurons on excitatory interneurons | C |
\(C_{2}\) | Avg. no. of syn. established by excitatory interneurons on principal neurons | 0.8 C |
\(C_{3}\) | Avg. no. of syn. established by principal neurons on inhibitory interneurons | 0.25 C |
\(C_{4}\) | Avg. no. of syn. established by inhibitory interneurons on principal neurons | 0.25 C |
\(\nu_{\max}\) | Maximum firing rate of the neural populations (max. of sigmoid fct.) | 5 s−1 |
\(v_{0}\) | Value for which 50% of the maximum firing rate is attained | 6 mV |
r | Slope of the sigmoid function at \(v_{0}\) | 0.56 mV−1 |