Deep Brain StimulationSubthalamic NucleusGlobus PallidusParkinson DiseaseElectrodes, ImplantedHypokinesiaStereotaxic TechniquesEssential TremorBrain ChemistryDystoniaAntiparkinson AgentsElectric Stimulation TherapyBrain InjuriesBrain MappingBrainBrain NeoplasmsThalamusEmbryo Implantation, DelayedDyskinesiasLevodopaBasal GangliaTreatment OutcomeCochlear ImplantationMovement DisordersTremorMagnetic Resonance ImagingTime FactorsLens Implantation, IntraocularInternal CapsuleImplantable NeurostimulatorsBeta RhythmElectrodesNeuronsPedunculopontine Tegmental NucleusSubthalamusModels, NeurologicalDystonic DisordersProstheses and ImplantsPregnancyObsessive-Compulsive DisorderFollow-Up StudiesPacemaker, ArtificialMuscle RigidityUterusBrain EdemaStentsNeurosurgical ProceduresProsthesis DesignNeural PathwaysBrain StemEndometriumParkinsonian DisordersBrain IschemiaMicroelectrodesSpeech DisordersElectroencephalographyCerebral CortexRetrospective StudiesRats, Sprague-DawleyTourette SyndromeFunctional LateralityEmbryo TransferEquipment DesignDisease Models, AnimalAortic Valve StenosisThalamic DiseasesPsychosurgerySensation DisordersDopamine AgentsNeuropsychological TestsBrain AbscessCluster HeadacheNerve NetVagus Nerve StimulationDrug-Eluting StentsAnalysis of VarianceProspective StudiesDefibrillators, ImplantableLenses, IntraocularCardiac CatheterizationSeverity of Illness IndexImage Processing, Computer-AssistedSignal Processing, Computer-AssistedNeurosurgeryNeurologic ExaminationBioprosthesisDeciduaElectric StimulationIntralaminar Thalamic NucleiPenile ImplantationBrain WavesDrug ImplantsCoronary RestenosisAmplifiers, ElectronicHeart-Assist DevicesAortic ValveDifferential ThresholdCarbidopaMotor SkillsEntopeduncular Nucleus