The main activity of the conductive segment is the propagation of an action potential along the axolemma.
Regularly spaced unmyelinated spots called nodes of Ranvier to generate action potentials to amplify the signal. This type of signal propagation, known as leaping conduction, offers a favorable compromise between signal velocity and axonal diameter.
Action potentials propagate down the axon with essentially the same waveform. Action potential propagation velocity depends on myelination and axonal size. For unmyelinated axons, velocity varies approximately with the square root of the axonal diameter.
Action potentials are generated when a neuron sends information to an axon distant from the soma. Action potentials are bursts of electrical activity generated by depolarizing currents. This means that an event (stimulus) causes the resting potential to move towards 0 mV.
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