Membrane potential V | |
Leak current | IL = gL(EL − V) |
KLVA current | IKLVA = ḡKLVAd(V, t)(EK − V) |
KHVA current | IKHVA = ḡKHVAn(V, t)(EK − V) |
Spike current | Ispike(t) = A1e(−t/τ1) − A2e(−t/τ2) |
Synaptic current | Isyn(t) = gsyn(t)(Esyn − V) |
KLVA kinetics | |
KLVA time constant | τd(V) = Q10(T − 23)/10/(αd(V) + βd(V)) |
KLVA steady-state function | d∞(V) = αn(V)/(αn(V) + βn(V)) |
KLVA activation function | αd(V) = 0.20 e((V + 70)/21.8) |
KLVA deactivation function | βd(V) = 0.17 e(−(V + 70)/14.0) |
KHVA kinetics | |
KHVA time constant | τn(V) = Q10(T − 23)/10/(αd(V) + βd(V)) |
KHVA steady-state function | n∞(V) = αn(V)/(αn(V) + βn(V)) |
KHVA activation function | αn(V) = 0.11 e((V + 29)/9.1) |
KHVA deactivation function | βn(V) = 0.103 e(−(V + 29)/20.0) |
Threshold equation | |
Target threshold | Θ∞ (V) = Θ0 − KΘ log h∞(V) |
Na inactivation function | h∞(V) = 1/(1 + e(V + 65)/7.0) |
Unitary synaptic input | gsyn(t) = gunit ∗ kg ∗ (e−t/τR − e−t/τF) |