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difference threshold

difference threshold In historical psychophysics, the difference threshold is the point sought in measuring sense discrimination: the least difference between stimuli that is apprehended as different, expressed in contrast to an apparent equality.

In historical psychophysics, the difference threshold is the point sought in measuring sense discrimination: the least difference between stimuli that is apprehended as different, expressed in contrast to an apparent equality. It belongs to the study of how differences in sensory experience are noticed.