differential limen vs difference threshold

differential limen and difference threshold both are nouns.

Word	Noun	Adjective	Verb	Adverb
differential limen	Yes	No	No	No
difference threshold	Yes	No	No	No

As nouns, differential limen and difference threshold are synonyms defined as:

differential limen and difference threshold: the smallest change in stimulation that a person can detect

Other synonyms of differential limen include difference limen, differential threshold.

differential limen (noun)	difference threshold (noun)
the smallest change in stimulation that a person can detect	the smallest change in stimulation that a person can detect