Sensory ThresholdsAzotobacterDark AdaptationThermosensingSensationVision, OcularPain ThresholdPhotoreceptor CellsAuditory ThresholdTouchPhotic StimulationRetinal Rod Photoreceptor CellsVibrationLightFecal IncontinenceDifferential ThresholdPeripheral Nervous System DiseasesPressureRetinaManometryPain MeasurementPainDiscrimination (Psychology)Hot TemperatureSensory AidsRefractory Period, PsychologicalContrast SensitivityVisual PerceptionMotion PerceptionForm PerceptionCoccidiaPerceptual MaskingModels, PsychologicalDepth PerceptionPattern Recognition, VisualVision, LowColor PerceptionModels, NeurologicalReadingVisual CortexAuditory PerceptionVision TestsOrientationVisual FieldsFixation, OcularAcoustic StimulationPerceptionVisual PathwaysVision DisparityCuesTime FactorsReaction TimeVisual Field TestsVision, BinocularElectroretinographyTaste ThresholdVisual AcuityThreshold Limit ValuesDiscrimination LearningAnaerobic ThresholdAttentionMagnetic Resonance ImagingBrain MappingPsychomotor Performance