BaclofenGABA-B Receptor AgonistsMuscle Relaxants, CentralGABA AgonistsReceptors, GABA-BMyocardial Depressant FactorDepression, ChemicalGABA-B Receptor AntagonistsMuscle SpasticityInfusion Pumps, ImplantableCentral Nervous System DepressantsSodium OxybateMeprobamatePentobarbitalGABA Antagonistsgamma-Aminobutyric AcidBicucullineReceptors, GABA-AMuscimolInjections, SpinalPhosphinic AcidsBarbituratesDiazepamScorpion VenomsAminobutyratesMetergolineHypnotics and SedativesDose-Response Relationship, DrugEnfluraneIontophoresisElectric StimulationAnestheticsCatsOrganophosphorus CompoundsDrug InteractionsDesipramineGABA-A Receptor AntagonistsNeuronsBemegrideRats, Sprague-DawleyEvoked PotentialsHalothaneSynaptic TransmissionRespirationMorphinePicrotoxinGABA AgentsStrychnineNialamideScorpionsNipecotic AcidsSpinal CordIsofluraneChlorpromazineNaloxoneInfusions, SpinalReflex, MonosynapticSynapsesAction PotentialsSecobarbitalEthanolClonidinePregnanesGuinea PigsRats, WistarThiopentalRats, Inbred StrainsReceptors, GABAAnalgesicsMembrane PotentialsConvulsantsMotor ActivityElectrophysiologyReflexAmino Acids, NeutralAtropineAnesthesiaSubstance Withdrawal SyndromeDrug ToleranceAdrenergic AgentsMyocardial ContractionSpasmHippocampusFenclonineBehavior, AnimalUrinary Bladder CalculiGABA-A Receptor AgonistsAdenosinePentylenetetrazole