Sensory ThresholdsDark AdaptationThermosensingSensationPain ThresholdPhotoreceptor CellsAuditory ThresholdVision, OcularTouchRetinal Rod Photoreceptor CellsVibrationLightFecal IncontinencePeripheral Nervous System DiseasesPressureRetinaManometryPhotic StimulationPain MeasurementPainDifferential ThresholdHot TemperatureTaste ThresholdThreshold Limit ValuesAnaerobic ThresholdTime FactorsPsychophysics