🧠 Hodgkin–Huxley Neuron

Conductance-Based Model · Na⁺ / K⁺ Channels · Action Potential · Gating Variables m, h, n

Stimulus

Injected current I_ext — 10 µA/cm² Pulse start — 20 ms Pulse duration — 30 ms Simulation window — 150 ms

Presets

Readouts

Peak voltage–

Resting potential–65.0 mV

Spikes fired0

Firing rate–

Threshold ≈–55 mV

V (membrane)

m (Na act.)

h (Na inact.)

n (K act.)

I_ext

The Hodgkin–Huxley model (Nobel 1963) describes action potentials via voltage-gated Na⁺ and K⁺ conductances. Inject current above threshold (~6.5 µA/cm²) to trigger a spike; below threshold the membrane returns passively to rest.