Purkinje CellsPurkinje FibersCerebellumCerebellar CortexMice, Neurologic MutantsAction PotentialsDendritesCerebellar NucleiOlivary NucleusCalbindinsNerve FibersAtaxiaSynapsesS100 Calcium Binding Protein GNeuronsElectric StimulationCerebellar AtaxiaPatch-Clamp TechniquesModels, NeurologicalElectrophysiologySpinocerebellar AtaxiasMembrane PotentialsSynaptic TransmissionExcitatory Postsynaptic PotentialsCalcium Channels, P-TypeHeart Conduction SystemNeural InhibitionAnimals, NewbornNerve Tissue ProteinsCalciumAxonsHarmalineLong-Term Synaptic DepressionCerebellar DiseasesEvoked PotentialsExcitatory Amino Acid Transporter 4Neuronal PlasticityNerve DegenerationTetrodotoxinSpinocerebellar DegenerationsInterneuronsSerine-Type D-Ala-D-Ala CarboxypeptidaseTime FactorsMice, Inbred C57BLReflex, Vestibulo-OcularCalcium Channels, Q-TypeRats, Sprague-DawleyMicroelectrodesReceptors, Metabotropic GlutamateRotarod Performance TestCatsReceptors, GlutamateMice, TransgenicExcitatory Amino Acid AntagonistsDogsNAV1.6 Voltage-Gated Sodium ChannelImmunohistochemistryRats, WistarCalcium ChannelsBrainConditioning, EyelidOrgan Culture Techniquesgamma-Aminobutyric AcidCalbindin 1GABA AntagonistsElectric ConductivityShaw Potassium ChannelsInositol 1,4,5-Trisphosphate ReceptorsMice, KnockoutCalcium Channels, N-Type6-Cyano-7-nitroquinoxaline-2,3-dioneCalcium SignalingCell CountNerve NetNeural PathwaysNeurons, AfferentGlutamic AcidReaction TimeVestibular NervePresynaptic TerminalsSodiumBlinkingMice, Mutant StrainsAfferent PathwaysPyridazinesVestibular NucleiPotassiumSodium ChannelsReceptors, AMPAIn Situ HybridizationPhosphinic AcidsStrophanthidinElectrophysiological PhenomenaCells, CulturedSynaptic PotentialsPyramidal Cellsomega-Agatoxin IVAQuinoxalinesEssential TremorVestibule, Labyrinth