Abstract
Summaryγ‐Aminobutyric acid (GABA) is the main inhibitory transmitter in the central nervous system (CNS) and regulates via GABAA receptors tonic and phasic inhibition. This review focuses on the sequential steps leading to phasic inhibition, including vesicle exocytosis, dynamics of GABA transient in the synaptic cleft, binding to GABAA receptors, opening of anionic channels, and neurotransmitter clearance. For an expanded treatment of this topic see Cherubini E. in Jasper’s Basic Mechanisms of the Epilepsies, Fourth Edition (Noebels JL, Avoli M, Rogawski MA, Olsen RW, Delgado‐Escueta AV, eds), published by Oxford University Press (available on the National Library of Medicine Bookshelf [NCBI] at http://www.ncbi.nlm.nih.gov/books).
Published Version
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