noun
just-noticeable difference; JND
Technical term in psychophysics for the smallest detectable difference between two stimuli. Used in academic and scientific contexts.
心理物理学では、最小可知差異は感覚の鋭さを測る指標の一つだ。
In psychophysics, the just-noticeable difference is one measure of sensory acuity.
弁別閾 is a broader term for discrimination threshold, while 最小可知差異 specifically refers to the smallest detectable difference.
A compound of 最小 (minimum), 可知 (knowable, detectable), and 差異 (difference), likely a direct translation of the English term 'just-noticeable difference'.