Muscle TonusAcoustic StimulationPitch PerceptionPitch DiscriminationVasoconstrictionAuditory PerceptionVasomotor SystemAuditory ThresholdEvoked Potentials, AuditorySoundAudiometry, Pure-TonePsychoacousticsAuditory CortexVasodilationMuscle, Smooth, VascularAuditory PathwaysHearingMuscle RelaxationVascular ResistanceVasoconstrictor AgentsNitric OxideMuscle ContractionArteriolesVasodilator AgentsMuscle, SmoothSound SpectrographyBlood PressureMesenteric ArteriesPattern Recognition, PhysiologicalCochlear Microphonic PotentialsBasilar MembraneRats, Sprague-DawleyEndothelium, VascularSympathetic Nervous SystemAcetylcholineNorepinephrineNitric Oxide SynthaseChinchillaCochleaVagus NervePhenylephrinePressureDose-Response Relationship, DrugMusicAutonomic Nervous SystemSpeech PerceptionNitroarginineNG-Nitroarginine Methyl EsterSignal Detection, PsychologicalParasympathetic Nervous SystemNitroprussideAudiometryReaction TimeArteriesEnzyme InhibitorsMyographyOtoacoustic Emissions, SpontaneousElectric StimulationAnalysis of VarianceTime FactorsSound LocalizationConditioning, ClassicalLoudness PerceptionAtropineEvoked Potentials, Auditory, Brain StemCerebral ArteriesGuinea PigsRegional Blood FlowTracheaEndothelin-1Rats, WistarCuesIndomethacinTime PerceptionMuscle Hypertoniaomega-N-MethylarginineVoiceVestibulocochlear Nerve15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidCoronary VesselsDogsPhoneticsConditioning (Psychology)Potassium ChlorideCochlear NucleusReflex, AcousticPulmonary ArteryForearmSpeech AcousticsAuditory Perceptual DisordersCatsPulmonary CirculationRats, Inbred WKYPosterior Cerebral ArteryMicrocirculationElectroencephalographyNeuronsAudiometry, Evoked ResponseReceptor, Endothelin AEar