Hair Cells, AuditoryCochleaAuditory Diseases, CentralAuditory PathwaysHair Cells, Auditory, InnerHair Cells, Auditory, OuterHairAcoustic StimulationHair Cells, VestibularOrgan of CortiEvoked Potentials, Auditory, Brain StemStereociliaSaccule and UtricleHearingEar, InnerMechanotransduction, CellularStria VascularisHair FollicleDeafnessSpiral GanglionHearing LossTranscription Factor Brn-3CCochlear Microphonic PotentialsCochlear NerveInferior ColliculiPerilymphAuditory ThresholdTurtlesCiliaOtoacoustic Emissions, SpontaneousHearing Loss, Noise-InducedCochlear NucleusAuditory PerceptionPresbycusisMicroscopy, Electron, ScanningEvoked Potentials, AuditoryHearing Loss, SensorineuralHair Cells, AmpullaNeurons, EfferentNoiseHair ColorUsher SyndromesAuditory CortexVestibulocochlear NerveAnimals, NewbornGuinea PigsGentamicinsHair DiseasesLateral Line SystemOlivary NucleusMechanoreceptorsChickensMembrane PotentialsHair RemovalEarElectrophysiologyHair DyesLarge-Conductance Calcium-Activated Potassium ChannelsOrgan Culture TechniquesHair PreparationsTinnitusMice, KnockoutAcoustic MaculaeMice, Mutant StrainsAuditory Perceptual DisordersPatch-Clamp TechniquesElectric CapacitanceSoundGene Expression Regulation, Developmental