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
GABA is a neurotransmitter in the central nervous system that inhibits or slows down brain signals and activity.
Related terms
Inhibitory Neurotransmitter: A type of neurotransmitter, like GABA, that reduces the likelihood of generating an action potential and thus inhibits neuronal signaling.