noun. 1. with regard to psychophysics, the strength or greatness of a stimulant which will generate its detection half of the time. 2. the minimum severity of a stimulant which is required to elicit a reaction.

THRESHOLD: "The threshold is commonly referred to as limen, or the response threshold."
Cite this page: N., Pam M.S., "THRESHOLD," in, April 29, 2013, (accessed April 16, 2021).