1. The absolute threshold is defined statistically, often as an average of all obtained hearing thresholds. 2. It was at the absolute threshold of audibility, where it might have been real or imagined. 3. The lowest equal-loudness contour represents the quietest audible tone the " absolute threshold of hearing ". 4. Several psychophysical methods can measure absolute threshold . 5. A universal absolute threshold is difficult to define a standard because of the variability of the measurements. 6. The absolute threshold for touch is the minimum amount of sensation needed to elicit a response from touch receptors. 7. A second absolute threshold for vision involves the minimum photon flux ( photons per second per unit area ). 8. The absolute threshold for smell is the minimum amount of sensation needed to elicit a response from receptors in the nose. 9. The absolute threshold for vision is the minimum amount of sensation needed to elicit a response from photoreceptors in the eye. 10. The absolute threshold for taste is the minimum amount of sensation needed to elicit a response from receptors in the mouth.
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