from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. gamma-aminobutyric acid

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • gamma-aminobutyric acid

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an amino acid that is found in the central nervous system; acts as an inhibitory neurotransmitter


Sorry, no etymologies found.


  • It is called GABA gamma-aminobutyric acid and it calms the brain from too much of the neurotransmitters epinephrine and norepinephrine.

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  • The gene involved controls the production of a type of neurotransmitter called GABA.

    Gene therapy for Parkinson’s disease offers hope

  • Lights Out The most popular prescription drugs to help with sleep, such as Ambien CR and Lunesta, work on a neurotransmitter known as GABA that is found throughout the brain.

    Dawn of A New Sleep Drug?

  • It's a different approach than older insomnia drugs known as benziodiazepines, as well as newer drugs like Sanofi SA's Ambien, which target so-called GABA receptors found throughout the brain.

    Merck to File Insomnia Drug Application

  • It increases the release of a neurotransmitter called GABA, which calms you.


  • The specific culprit is a neurochemical called GABA (for you science geeks, that's short for gamma-aminobutyric acid), which is reduced by nearly 30 percent in people who have been suffering from insomnia for more than six months.

    Dr. Michael J. Breus: Good News for People with Insomnia

  • Progesterone also affects moods: it binds to the same sites in the brain as does a neurochemical, called GABA, that tamps down anxiety (Valium also binds to these GABA sites).

    Understanding “Perimenopause”

  • Counteracting glutamate is a neurotransmitter called GABA (gamma-aminobutyric acid), an inhibitor that keeps glutamate and other go signals from overwhelming us.

    New Hope For Addicts?

  • Some experts are also hopeful about topiramate, a migraine and seizure drug that boosts a signaling substance called GABA (gamma-aminobutyric acid).

    Addiction: How to Break the Chain

  • Known as GABA, an inhibitory neurotransmitter that reduces anxiety and induces an increased heart rate, increased blood pressure, tremors, and convulsions, especially during withdrawal.

    Alcohol and The Addictive Brain


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