Hodgkin-Huxley Neuron
Nobel Prize 1963 — Biophysical model of nerve action potential
Stimulus
Injected current I:
10
μA/cm²
Pulse duration:
5
ms
Pulse period:
30
ms
Step Pulse
Continuous
Reset
— V(t)
membrane voltage
— m(t)
Na activation
— h(t)
Na inactivation
— n(t)
K activation
— I_Na, I_K
currents
C_m·dV/dt = I - g_Na·m³h(V-E_Na)
− g_K·n⁴(V-E_K) − g_L(V-E_L)
Threshold ≈ −55 mV
Resting ≈ −65 mV