Titlebook: Biological Rhythms; Jürgen Aschoff Book 1981 Springer Science+Business Media New York 1981 medicine.organization.time

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隱士

Circadian Systems: General Perspective systems of innate temporal programs for metabolism and behavior that are most appropriately undertaken during a restricted fraction of the external cycle of physical change. Feeding behavior in nocturnal rodents is programmed into early hours of the night; the behavior persists at that phase—recurr

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Freerunning and Entrained Circadian Rhythmsts of activity around the mean τ that in itself changes slightly over time (especially in 0.03 lux); reentrainment by the Zeitgeber after Day 78 is accomplished by a series of delay transients. A more detailed discussion of those phenomena follows below.

艦旗

Ontogeny of Circadian Rhythmsrhythms, and the mechanisms of entrainment are all part of the “circadian system” that underlies not only internal temporal organization of multiple functions but also the remarkable ability of organisms to measure, precisely and adaptively, the passage of astronomical time.

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The Circadian System of Mano the various sleep times of the subjects. Despite the fact that Cortisol, like many other hormones, is secreted in a highly variable sequence of episodes (see Chapter 12, Figure 1), a clear circadian pattern emerges in each curve, averaged from the data on . subjects, and there is perfect correspon

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下邊深陷

闡明

Behavioral Rhythms in Invertebrateso have found themselves inconvenienced by diel changes in the responsiveness of their subjects. The former have had much interest in circadian processes, but little in the integration of behavior; the latter have had much interest in behavior, but little in the nature of circadian control.