Purkinje CellsPurkinje FibersMicroelectrodesCerebellumCerebellar CortexMice, Neurologic MutantsAction PotentialsDendritesCerebellar NucleiOlivary NucleusElectrophysiologyMembrane PotentialsCalbindinsNerve FibersElectric StimulationAtaxiaS100 Calcium Binding Protein GHeart Conduction SystemElectrochemical TechniquesSynapsesNeuronsElectrodes, ImplantedCerebellar AtaxiaPatch-Clamp TechniquesDogsSpinocerebellar AtaxiasCalciumSynaptic TransmissionCalcium Channels, P-TypeAnimals, NewbornPotassiumElectric ConductivityNerve Tissue ProteinsMicrotechnologyEvoked PotentialsTetrodotoxinCerebellar DiseasesAxonsStereotaxic TechniquesExcitatory Postsynaptic PotentialsCatsRats, Sprague-DawleyExcitatory Amino Acid Transporter 4HarmalineNeural InhibitionNerve DegenerationTime FactorsLong-Term Synaptic DepressionPapillary MusclesSodiumModels, NeurologicalSpinocerebellar DegenerationsNeuronal PlasticitySerine-Type D-Ala-D-Ala CarboxypeptidaseElectrochemistryElectrophysiological PhenomenaMice, Inbred C57BLGlutamic AcidRotarod Performance TestBrainReflex, Vestibulo-OcularCalcium Channels, Q-TypeIon-Selective ElectrodesStrophanthidinReceptors, Metabotropic GlutamateImmunohistochemistryMice, TransgenicRats, WistarReceptors, GlutamateAfferent PathwaysGuinea PigsCalcium ChannelsImplantable NeurostimulatorsRabbitsNAV1.6 Voltage-Gated Sodium ChannelBiosensing TechniquesCells, CulturedCalbindin 1Deep Brain StimulationConditioning, Eyelidgamma-Aminobutyric AcidElectric ImpedanceExcitatory Amino Acid AntagonistsPotassium ChannelsCalcium Channels, N-TypeMice, KnockoutHeartIontophoresisCell CountInositol 1,4,5-Trisphosphate ReceptorsCalcium Channel BlockersNerve NetVentricular FunctionPotassium Channel BlockersNeural PathwaysOrgan Culture TechniquesSodium ChannelsAnti-Arrhythmia AgentsVisual ProsthesisForelimb