Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
A neuron's action potential refers to the electrical signal that travels down the axon of a neuron, allowing for communication between neurons. It is a rapid and temporary change in charge inside and outside the cell membrane.