Gut/brain axis and the microbiota - PMCAbstract Tremendous progress has been made in characterizing the bidirectional interactions between the central nervous system, the enteric nervous system, and the gastrointestinal tract. A series of provocative preclinical studies have suggested a prominepmc.ncbi.nlm.nih.gov Gut/brain axis and the microbiota저자 : Emeran A Mayer, Kirsten Tillisch, Arpana Gup..