just-noticeable difference

Noun
  1. (psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected (synset 105721048)
    referred to in: psychophysics - the branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects
    is a type of: difference limen, difference threshold, differential limen, differential threshold - the smallest change in stimulation that a person can detect
    same as: jnd

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