๐Ÿง ap psychology review

Threshold potential

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

The threshold potential refers to the minimum level of stimulation that a neuron must receive in order to generate an action potential. It is the point at which the neuron's membrane potential becomes depolarized enough to initiate an electrical impulse.