Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun just-noticeable_difference

1 sense of just-noticeable difference

Sense 1
just-noticeable difference, jnd -- ((psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected)
       => difference threshold, differential threshold, difference limen, differential limen -- (the smallest change in stimulation that a person can detect)