单词 | zeitgeber |
释义 | zeitgebern. Physiology. An agent or rhythmically occurring event, esp. an environmental influence, which acts as a cue in the regulation of an organism's circadian rhythms. ΘΚΠ the world > life > biology > biological processes > stimulation > [noun] > stimulus stimulus1793 irritant1802 stimulant1880 cue1931 zeitgeber1958 1958 Proc. National Acad. Sci. U.S.A. 44 966 They are, to use Aschoff's phrase, the principal Zeitgeber. 1964 E. Bünning Physiol. Clock ii. 9 The change of light and dark or alternations of high and low temperatures have a synchronizing effect on the endodiurnal rhythm; they function as ‘Zeitgeber’ (cues, synchronizers). 1975 Science 20 June 1214/3 It is clear that pentobarbital can be a very strong zeitgeber. 1983 Washington Post 1 Apr. d5/6 The same ‘zeitgebers’ can have opposite effects, depending on what point in the circadian cycle they are consumed or experienced. 2015 R. B. Berry & M. H. Wagner Sleep Med. Pearls (ed. 3) xl. 626/2 Other zeitgebers include exercise, food, and social activities. This entry has been updated (OED Third Edition, June 2018; most recently modified version published online March 2022). < |
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