Table 2 Parameters in the mean-field model.
From: A robust model of Stimulus-Specific Adaptation validated on neuromorphic hardware
Notation | Description | Optimal value | Operating range |
|---|---|---|---|
M | Number of columns | 5 | |
\(\lambda\) | Width of tuning curve | 2 | |
\(\tau _a\) | Time constant for adaptation process | 1 s | |
\(\tau\) | Membrane time constant of adaptive population | \(1\times 10^{-3}\) s | |
\(\tau _{e}\) | Membrane time constant of excitatory population | \(5\times 10^{-3}\) s | |
\(\tau _{i}\) | Membrane time constant of inhibitory population | \(5\times 10^{-3}\) s | |
\(w_{ee}^0\) | Intra-columnar excitatory-to-excitatory connection weight | 3.25 | [3.2, 3.5] |
\(w_{ee}^1\) | Inter-columnar excitatory-to-excitatory connection weight | 0.2 | [0.15, 0.35] |
\(w_{ie}\) | Intra-columnar excitatory-to-inhibitory connection weight | 1.8 | [1.75, 1.95] |
\(w_{ei}\) | Intra-columnar inhibitory-to-inhibitory connection weight | -3 | [-3.3, -2.85] |
\(w_{ii}\) | Intra-columnar inhibitory-to-inhibitory connection weight | -1 | [-1.1, -0.7] |
\(w_{a}\) | Connection weight between adaptive and excitatory populations | 0.5 | (0, 2.5] |
c | A constant to scale the rate of adaptive population | 20 | (1, 100] |
