🧠ap psychology review

Fires

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

Definition

When we say that a neuron "fires," it means it has reached its threshold for activation and sends out an action potential, which is an electrical impulse, along its axon.

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