Parameters | |
---|---|
Inhibitory presynaptic neuron model parameters | |
Soma diameter | 10 μm |
Cm | 1.0 μF/cm2 |
Temperature | 36°C |
χ̇ | αχ(1 − χ) − βχ(χ) |
Sodium (Na) channels | |
INa | ḡNam3h(V−ENa) |
αm | (−0.32(V + 41))/(exp(−(V + 41)/4) − 1) |
βm | (0.28(V + 14))/(exp((V + 14)/5) − 1) |
αh | 0.128 exp(−(V + 37)/18) |
βh | 4/(exp((−(V + 14))/5) + 1) |
ḡNa | 100 mS/cm2 |
ENa | 50 mV |
Potassium (K) channels | |
IK | ḡKn4(V−EK) |
αn | (−0.032 (V + 39))/(exp(−(V + 39)/5) − 1) |
βn | 0.5 exp(−(V + 44)/40) |
ḡK | 30 mS/cm2 |
EK | −90 mV |
Passive leak channels | |
Ileak | ḡleak(V−Eleak) |
ḡleak | 1.0 mS/cm2 |
Eleak | −55 mV |
Cm, Membrane capacitance; m, h, n, channel gating variables; αχ, βχ, gating variable dynamics functions where χ stands in for m, h, or n; V, membrane potential; INa,K,leak, current; ḡNa,K,leak, maximum channel conductance; ENa,K,leak, channel reversal potential; χ̇, gating variable differential equation. Sodium, potassium, and leak currents are based on kinetics described by Traub and Miles (1991) and implemented by Destexhe et al. (1996).