Neuron Firing Simulation

Explore action potentials, ion channels, and signal transmission

Neuron Status

Membrane Potential-70.0 mV
Phaseresting
Na⁺ ChannelsCLOSED
K⁺ ChannelsCLOSED

Action Potential

Resting: -70 mV. K⁺ channels open, Na⁺ closed.

Depolarization: Stimulus opens Na⁺ channels. Na⁺ rushes in → voltage rises.

Repolarization: Na⁺ closes, K⁺ opens. K⁺ exits → voltage drops.

Hyperpolarization: K⁺ overshoots → voltage dips below resting.

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