This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'GABA transmission is facilitated by \nSelect and explain. \nA. Vigabatrin, B. Carbazepine, C. Phenytoin, D. Buspirone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: GABAergic transmission refers to activation ofGABA receptors and release of GABA by endogenous or pharmacological modulators. g-Aminobutyric acid (GABA) is the most prevalent inhibitory neurotransmitter in the mammalian central nervous system. Ref: KD Tripathi 8th ed.', 'role': 'assistant'}]