Construct · 1 fields · 1 citations

zeitgeber: a standalone construct

One name. One construct. A landmark on the map.

● anchor · one construct, one field Nearest construct by meaning·not indexed
zeitgeber1 CONSTRUCTZeitgeberASCHOFF · 1960

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Chronobiology

An external cue that sets the biological clock

A zeitgeber (German for "time-giver") is an external cue (above all the daily light–dark cycle, but also temperature, feeding, and social cues) that entrains an organism's internal circadian clock to the 24-hour environment, so the free-running internal rhythm is reset each day to match local time. Aschoff's 1960 Exogenous and endogenous components in circadian rhythms drew the distinction between the self-sustained internal oscillation and the external cues that synchronise it. The referent is the entraining time cue itself, studied by shifting or withdrawing it and watching the clock drift or lock on.[1]

Unit
An environmental cue capable of entraining a circadian rhythm
Recovery means
Not applicable
Measured by
Demonstrated by phase-shifting or free-running the rhythm when the cue is altered or withdrawn

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Nearby constructs

clock2 fields · 2 citationsjingle · one word, two constructscycle4 fields · 4 citationsjingle · one word, four constructsdrift5 fields · 6 citationsjingle · one word, five constructs

References

  1. Aschoff, J. (1960). Exogenous and endogenous components in circadian rhythms. Cold Spring Harbor Symposia on Quantitative Biology, 25, 11–28. https://doi.org/10.1101/SQB.1960.025.01.004

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