Vocal CordsNeuronsVocal Cord ParalysisCerebral CortexNeurons, AfferentPhonationVocalization, AnimalMotor NeuronsVoice QualityVoiceAction PotentialsCells, CulturedLarynxVoice DisordersLaryngeal DiseasesLaryngeal MusclesLaryngeal MucosaLaryngoscopyElectrophysiologySound SpectrographySynapsesNerve Tissue ProteinsPatch-Clamp TechniquesModels, NeurologicalAxonsDendritesGlottisSynaptic TransmissionAnimals, NewbornElectric StimulationRats, Sprague-DawleyN-MethylaspartateCatsVoice TrainingHippocampusGlutamic AcidDysphoniaPyramidal CellsFinchesReceptors, N-Methyl-D-AspartateVisual CortexNeural InhibitionNeuritesDopaminergic NeuronsTime FactorsBrainSongbirdsNeuroprotective AgentsThalamusMembrane PotentialsRats, WistarNeocortexgamma-Aminobutyric AcidImmunohistochemistryCell DeathAuditory CortexSpeech AcousticsNeuronal PlasticityNerve NetExcitatory Postsynaptic PotentialsGABAergic NeuronsSensory Receptor CellsAcousticsExcitatory Amino Acid AntagonistsSomatosensory CortexInterneuronsEmbryo, MammalianProsencephalonNeurotoxinsMice, Inbred C57BLGanglia, SpinalKymographySpinal CordCalciumBrain-Derived Neurotrophic FactorOlfactory Receptor NeuronsNeurogliaAuditory PathwaysMice, TransgenicNeuropeptidesAuditory PerceptionReaction TimeCell SurvivalCholinergic NeuronsAnimal CommunicationSignal TransductionNerve DegenerationVibrationTetrodotoxinExcitatory Amino Acid AgonistsEvoked PotentialsNeurogenesisSpeech Production MeasurementAfferent PathwaysMacaca mulattaAnalysis of VarianceGreen Fluorescent ProteinsCell CountNeurons, EfferentNerve Growth Factors