最さい小しょう可か知ち差さ異い

noun

just-noticeable difference; JND

Technical term in psychophysics for the smallest detectable difference between two stimuli. Used in academic and scientific contexts.

• 心しん理り物ぶつ理り学がくでは、最さい小しょう可か知ち差さ異いは感かん覚かくの鋭するどさを測はかる指し標ひょうの一ひとつだ。

  In psychophysics, the just-noticeable difference is one measure of sensory acuity.