noun
(psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected
• Syn: ↑just-noticeable difference
• Topics: ↑psychophysics
• Hypernyms: ↑difference threshold, ↑differential threshold, ↑difference limen, ↑differential limen
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abbreviation just noticeable difference
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JND (no periods) or j.n.d.,
just noticeable difference (used in scientific experiments to indicate a psychological or physiological threshold).
Useful english dictionary. 2012.