弁べん別べつ閾いき

noun

difference threshold; differential limen

Technical term in psychophysics: the smallest detectable difference between two stimuli. Also called just noticeable difference (JND).

See also: 閾 (いき)

• 弁べん別べつ閾いきは、刺し激げきの強きょう度どによって変へん化かする。

  The difference threshold varies with the intensity of the stimulus.

• 心しん理り物ぶつ理り学がくの実じっ験けんで弁べん別べつ閾いきを測そく定ていした。

  We measured the differential limen in a psychophysics experiment.