ElectrodesElectrodes, ImplantedIon-Selective ElectrodesElectrochemistryElectrochemical TechniquesMicroelectrodesPotentiometryBiosensing TechniquesFluorocarbon PolymersGraphiteEquipment DesignElectric StimulationGoldConductometryCochlear ImplantsCochlear ImplantationElectric ImpedanceEnzymes, ImmobilizedOligonucleotide Array Sequence AnalysisEquipment Failure AnalysisCarbonElectricityElectroencephalographyElectric Stimulation TherapyAction PotentialsBioelectric Energy SourcesDeep Brain StimulationElectromyographyTin CompoundsSilver CompoundsElectrophysiologySignal Processing, Computer-AssistedCalibrationElectronicsPlatinumDielectric SpectroscopySubdural SpaceScala TympaniGlucose OxidaseNanotubes, CarbonPolyvinyl ChlorideGlassNeural ProsthesesProtein Array AnalysisElectric CountershockFerrocyanidesVisual ProsthesisElectrolysisLoudness PerceptionElectronics, MedicalFlow Injection AnalysisEvoked PotentialsTime FactorsReproducibility of ResultsHydrogen-Ion ConcentrationMembranes, ArtificialLimit of DetectionPolarographyDeafnessSilverElectroplatingOxidation-ReductionStereotaxic TechniquesElectric ConductivityNanowiresSurface PropertiesIridiumCatsCatheter AblationElectrophoresis, MicrochipTransducersPolymersMembrane PotentialsElectric Power SuppliesMicrotechnologyElectroporationDogsNeuronsNanotechnologyAlgorithmsNeurophysiologyTransistors, ElectronicEvoked Potentials, AuditoryMicrofluidic Analytical TechniquesSolar EnergyCochleaSubthalamic NucleusDiamondComputer SimulationEpilepsyCorrection of Hearing ImpairmentSensitivity and SpecificityElectrochemotherapyArtifactsHeart Conduction SystemTemporal BoneSemiconductorsFinite Element AnalysisIndicators and ReagentsProstheses and Implants