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:
“Belief is with them mechanical, voluntary: they believe what they are paid for—they swear to that which turns to account. Do you suppose, that after years spent in this manner, they have any feeling left answering to the difference between truth and falsehood?”
—William Hazlitt (1778–1830)