Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated August 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.