In psychophysics, a just-noticeable difference, customarily abbreviated with lowercase letters as jnd, is the smallest detectable difference between a starting and secondary level of a particular sensory stimulus. It is also known as the difference limen or the differential threshold.
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Famous quotes containing the word difference:
“I find it a great and fatal difference whether I court the Muse, or the Muse courts me. That is the ugly disparity between age and youth.”
—Ralph Waldo Emerson (1803–1882)