| 单词 | absolute threshold |
| 释义 | > as lemmasabsolute threshold absolute threshold n. the level or point at which a stimulus (such as sound, touch, or smell) reaches sufficient intensity to become consciously perceptible (cf. difference threshold n.). [Originally after German absolute Unterschiedsschwelle (1860 or earlier), literally ‘absolute threshold of difference’.] ΘΚΠ the world > life > biology > biological processes > stimulation > [noun] > minimum stimulus to produce response threshold1874 absolute threshold1892 limen1895 1892 C. C. Van Liew & O. Beyer tr. T. Ziehen Introd. Physiol. Psychol. iii. 50 This increase of stimulus, that is just sufficient to produce a change of sensation, we shall designate as the ‘absolute threshold of distinction’ [Ger. absolute Unterschiedsschwelle]. 1953 Amer. Jrnl. Psychol. 66 81 The absolute threshold is determined by finding the magnitude of blast of odorous air injected into the subject's nostril or nostrils which will give rise to an odor sensation. 2005 D. G. Myers Exploring Psychol. (ed. 6) v. 142 To test your absolute threshold for sounds, a psychologist—or a hearing specialist—would expose each of your ears to varying sound levels. < as lemmas |
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