Question

what is absloute limen ?

Answer 1

In physiology, psychology, or psychophysics, a limen or a liminal point is a threshold of a physiological or psychological response. ... On one side of a limen (or threshold) a stimulus is perceivable, on the other side it is not. Liminal, as an adjective, means situated at a sensory threshold, hence barely perceptible

Answer 2

it is a sensory threshold & is the little amount of piquancy needed for our sense organs to detect the stimulus 50 % of time .
The concept can applied to auditory,olfactory,pain,vibrotactile & visual threshold.

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