🧠ap psychology review

GABA (Gamma-Aminobutyric Acid)

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

GABA is a neurotransmitter in the central nervous system that inhibits or slows down brain signals and activity.

AP course connection

Topic 2.4: 2.4 Neural Firing

Unit 2

"GABA (Gamma-Aminobutyric Acid)" also found in:

2,589 studying →