BaclofenReceptor, Serotonin, 5-HT1BReceptors, GABA-BGABA AgonistsSerotonin Receptor AgonistsGABA-B Receptor AgonistsSerotonin 5-HT1 Receptor AgonistsReceptors, SerotoninSerotonin AntagonistsReceptor, Serotonin, 5-HT2BPyridinesGABA Agents8-Hydroxy-2-(di-n-propylamino)tetralinSerotoninPyrrolesgamma-Aminobutyric AcidGABA AntagonistsReceptor, Adenosine A2BReceptors, GABAReceptors, Complement 3bPurinergic P1 Receptor AgonistsMuscle Relaxants, CentralReceptor, Endothelin BReceptors, GABA-AGABA-A Receptor AgonistsDopamine AgonistsGABA ModulatorsMuscimolSerotonin 5-HT2 Receptor AgonistsGABA-B Receptor AntagonistsRats, Sprague-DawleyDose-Response Relationship, DrugAdenosine A1 Receptor AgonistsPhosphinic AcidsAdenosine A2 Receptor AgonistsBicucullineGABA Plasma Membrane Transport ProteinsRats, WistarAdenosineCannabinoid Receptor AgonistsSerotonin 5-HT4 Receptor AgonistsInfusion Pumps, ImplantableMuscle SpasticitySodium OxybateGABA-A Receptor AntagonistsReceptors, Purinergic P1Nipecotic AcidsNeuronsPurinergic P2 Receptor AgonistsAdrenergic alpha-2 Receptor AgonistsReceptors, ComplementAdenosine-5'-(N-ethylcarboxamide)GABA Uptake InhibitorsPiperidinesReceptors, Opioid, kappaAdenosine A3 Receptor AgonistsHistamine AgonistsReceptors, Opioid, muInjections, SpinalNeural InhibitionPhenethylaminesExcitatory Amino Acid AgonistsSynaptic TransmissionMuscarinic AgonistsDrug InteractionsReceptor, Adenosine A2ARadioligand AssayPatch-Clamp TechniquesPyrrolidinesBenzazepinesSerotonin 5-HT1 Receptor AntagonistsReceptors, Dopamine D2Receptors, Vasopressin2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineCells, CulturedReceptors, Dopamine D1Behavior, AnimalIndolesPicrotoxinAdenosine A2 Receptor AntagonistsHippocampusPurinergic P1 Receptor AntagonistsEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Nicotinic AgonistsDiazepamReceptors, EndothelinOrganophosphorus CompoundsSerotonin 5-HT2 Receptor AntagonistsAdrenergic beta-3 Receptor AgonistsReceptor, Serotonin, 5-HT1DSumatriptanElectric StimulationReceptors, Opioid, deltaQuinpiroleGuinea PigsAdrenergic AgonistsCalciumMembrane PotentialsElectrophysiologyMotor Activity