| 单词 | difference threshold |
| 释义 | > as lemmasdifference threshold difference threshold n. [after German Unterschiedsschwelle ( G. T. Fechner Elemente der Psychophysik (1860) i. x. 239)] the degree to which two stimuli or sensations must differ in order for them to be perceived as being different; (also) the degree of ability to perceive differences between stimuli. ΚΠ 1876 J. Ward in Mind 1 459 This ‘relativity’ between difference-threshold and stimulus [may] be due to something not in any sense psychical. 1902 W. James Varieties Relig. Experience vi. 135 When one is sensitive to small differences in any order of sensation, we say he has a low ‘difference-threshold’—his mind easily steps over it into the consciousness of the differences in question. 1956 Amer. Jrnl. Psychol. 69 673 The method may be adapted to the determination of difference thresholds. 2010 E. B. Goldstein Sensation & Perception (ed. 8) i. 15/1 The procedure for measuring the difference threshold for sensing weight is as follows. < as lemmas |
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