PicrotoxinGABA AntagonistsReceptors, GABAReceptors, GlycineDieldrinReceptors, GABA-Agamma-Aminobutyric AcidGlycineStrychnineBicucullineGABA-A Receptor AntagonistsMuscimolConvulsantsAminobutyratesPentobarbitalPentylenetetrazoleGABA AgonistsBaclofenNeural InhibitionNikethamideEvoked PotentialsDiazepamCrotonatesChloridesMamillary BodiesGABA ModulatorsIontophoresisNeuronsGABA-B Receptor AntagonistsAction PotentialsBarbituratesGABA-A Receptor AgonistsSynaptic Transmission