Vestibular NucleiSubstantia NigraVestibular Nucleus, LateralVestibular NerveVestibule, LabyrinthDopamineNeuronsCell NucleusParkinson DiseaseParkinsonian DisordersSubstantia GelatinosaMotion SicknessTyrosine 3-MonooxygenaseMesencephalonCorpus StriatumDopaminergic NeuronsReflex, Vestibulo-OcularOxidopamine1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineBrain StemOtolithic MembraneNeural PathwaysMPTP PoisoningAnatomy, RegionalEar, InnerParkinson Disease, SecondarySubstantia InnominataCerebellar NucleiRats, Sprague-DawleyTegmentum MesencephaliRotationalpha-SynucleinNeuroanatomical Tract-Tracing TechniquesCaudate NucleusHead MovementsBasal GangliaEfferent PathwaysGlobus PallidusNeuronal Tract-TracersAction PotentialsHistamine AgentsElectric StimulationSemicircular CanalsCatsVestibular NeuronitisNystagmus, PathologicBrainPonsVentral Tegmental AreaSaimiriEye MovementsLewy BodiesNystagmus, PhysiologicRaphe NucleiNerve Degenerationgamma-Aminobutyric AcidNeostriatumSubthalamic NucleusTrigeminal NucleiSolanaceous AlkaloidsBrain Stem InfarctionsAbducens NerveStomatognathic SystemReticular FormationAfferent PathwaysNucleus AccumbensOculomotor NerveApomorphineRed NucleusVestibulocochlear NerveCaloric TestsBehavior, AnimalMedulla OblongataIontophoresisReceptors, DopamineReceptors, Dopamine D2PropiophenonesAutoradiographyPutamenThalamic NucleiImmunohistochemistryGABA AntagonistsSynaptic TransmissionLevodopaDopamine AgentsCerebellumAccelerationRats, WistarElectrophysiologyNeural InhibitionMice, Inbred C57BLVestibular DiseasesFunctional LateralityDopamine Agonists1-Methyl-4-phenylpyridiniumCopper SulfateDopamine AntagonistsDopamine Plasma Membrane Transport Proteins3,4-Dihydroxyphenylacetic AcidMacaca mulatta