Purkinje CellsCerebellumCerebellar CortexMice, Neurologic MutantsDendritesPurkinje FibersOlivary NucleusAtaxiaAction PotentialsNerve FibersSynapsesCerebellar NucleiCalbindinsPatch-Clamp TechniquesRotarod Performance TestLong-Term Synaptic DepressionS100 Calcium Binding Protein GReceptors, Metabotropic GlutamateElectric StimulationCalcium Channels, P-TypeSpinocerebellar AtaxiasExcitatory Postsynaptic PotentialsCerebellar AtaxiaNeural InhibitionSynaptic TransmissionReceptors, GlutamateNeuronsMembrane PotentialsInositol 1,4,5-Trisphosphate ReceptorsNerve Tissue ProteinsAnimals, NewbornCalciumSpinocerebellar DegenerationsCalcium Channels, Q-Typeomega-Agatoxin IVAMice, Inbred C57BLCalcium Channels, N-TypeAxonsRats, Sprague-DawleyNeuronal PlasticityDoxapramElectrophysiologyEvoked PotentialsCalcium ChannelsImmunohistochemistryTetrodotoxinShaw Potassium ChannelsExcitatory Amino Acid AntagonistsMice, TransgenicRats, WistarModels, NeurologicalCalcium Signaling6-Cyano-7-nitroquinoxaline-2,3-dionegamma-Aminobutyric AcidMice, KnockoutNerve DegenerationGlutamic AcidBrainAfferent PathwaysTime FactorsReceptors, AMPAQuisqualic AcidGABA AntagonistsReceptors, GABA-AOrgan Culture TechniquesElectric ConductivityCells, CulturedIn Situ HybridizationCalcium Channel BlockersNAV1.6 Voltage-Gated Sodium ChannelDendritic SpinesPresynaptic TerminalsMotor ActivityNeurons, AfferentPotassium Channel BlockersCell CountBicucullineCannabinoid Receptor ModulatorsCerebellar DiseasesMice, Mutant StrainsCalbindin 1Cell DeathNeural PathwaysExcitatory Amino Acid AgonistsReceptors, CannabinoidBehavior, AnimalIon Channel GatingRNA, MessengerMicroelectrodesMolecular Sequence DataBenzoxazinesInositol 1,4,5-TrisphosphateReaction TimeMutationLearningReceptors, Cytoplasmic and NuclearHeart Conduction SystemTissue DistributionSignal TransductionNaphthalenes