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Gamma-aminobutyric acid (GABA)

This is an abbreviation of Gamma-aminobutyric acid which is the chief inhibitory neurotransmitter in the CNS. GABA binds to any three classes of GABA receptors in brain cells. Drugs such as benzodiazepines, which also activate these receptors (agonists), typically have relaxing, anti-anxiety and anticonvulsant effects.

EMCDDA glossary