CalcaneusNoiseSound LocalizationAcoustic StimulationUltraviolet TherapyAuditory ThresholdTransducersAuditory PerceptionInferior ColliculiSound SpectrographySkin AbsorptionPerceptual MaskingAcousticsAuditory PathwaysEquipment Failure AnalysisEquipment DesignCochlear NucleusSoundCochlear NerveRefractometryPsychoacousticsSignal Processing, Computer-AssistedSpectroscopy, Near-InfraredSperm-Ovum InteractionsEcholocationSignal Detection, PsychologicalAuditory CortexEvoked Potentials, AuditoryEar AuricleScattering, RadiationCatsElectrodes, ImplantedUltrasonicsFiber Optic TechnologySpectrum AnalysisNeural ProsthesesAmplifiers, ElectronicReflex, AcousticStrigiformesLoudness PerceptionOptical DevicesNonlinear DynamicsBrain WavesTime FactorsMercury CompoundsPitch PerceptionComputer-Aided DesignReaction TimeOptical PhenomenaDielectric SpectroscopyUltrasonographyHeelCochleaEar Protective DevicesPsychophysicsAudiometry, Pure-ToneCuesAlgorithmsSuperior Sagittal SinusHearingLensesPhantoms, ImagingElectronicsPhotic StimulationSensory ThresholdsMicrobubblesVestibulocochlear NerveAdministration, CutaneousLasersTime PerceptionContrast SensitivityChiropteraBlisterPhototherapyOlivary NucleusInterferometryMicroscopy, InterferenceModels, NeurologicalFerretsLightDose-Response Relationship, RadiationReproducibility of ResultsPhotonsZona PellucidaBasilar MembraneSpectrum Analysis, RamanComputer SimulationModels, TheoreticalPermeabilityOptics and PhotonicsVibrationAction PotentialsMicroelectrodesBlood-Brain BarrierFourier AnalysisBone DensityLightingAbsorptionNeuronsOrientation