LightPain MeasurementTime FactorsMagnetic Resonance ImagingSpectrometry, FluorescenceFluorescent DyesPainFluorescenceExerciseReproducibility of ResultsAlgorithmsImage Processing, Computer-AssistedSensitivity and SpecificityUltrasonic TherapyImage EnhancementPhysical ExertionLasersImmunohistochemistryContrast MediaRadiotherapy, Intensity-ModulatedAnalysis of VarianceLoudness PerceptionAcoustic StimulationHigh-Intensity Focused Ultrasound AblationMuscle, SkeletalParasite Egg CountOxygen ConsumptionElectric StimulationTreatment OutcomeSoundScattering, RadiationTaste ThresholdUltrasonicsImage Interpretation, Computer-AssistedMicroscopy, FluorescenceBrainSensory ThresholdsPain ThresholdModels, BiologicalSpectrum Analysis, RamanKineticsAdaptation, OcularDark AdaptationTastePhysical StimulationTemperaturePhotonsPhysical EndurancePhotoreceptor CellsMagnetic Resonance SpectroscopyElectromyographyPain PerceptionStaining and LabelingColorPhysical FitnessCalibrationGadolinium DTPAComputer SimulationMotor ActivityLightingModels, StatisticalSeverity of Illness IndexOxygenDose-Response Relationship, RadiationProspective StudiesExercise TestImaging, Three-DimensionalPhotic StimulationArtifactsDose-Response Relationship, DrugAcousticsReaction TimePhotosynthesisAdaptation, PhysiologicalExercise TherapyRadiotherapy Planning, Computer-AssistedLuminescenceModels, TheoreticalAuditory PerceptionRats, Sprague-DawleyRetrospective StudiesX-Ray DiffractionEcholocationMuscle ContractionPhantoms, ImagingDarknessEquipment DesignSpectrum AnalysisPhysical Education and TrainingQuestionnairesTransducersHot TemperatureFlow CytometryAuditory ThresholdOdorsPain ManagementOligonucleotide Array Sequence AnalysisMagneticsElectromagnetic FieldsFluorescence Polarization