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{{BioPsy}} |
{{BioPsy}} |
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| − | '''Zeitgeber''' (from German for "time giver") is any external (exogenous) cue that entrains the internal (endogenous) time keeping system of organisms. |
+ | '''Zeitgeber''' (from German for "time giver") is any external (exogenous) cue that entrains the internal (endogenous) time keeping system of organisms. It is any feature of the external environment that provides clues as to the passage of [[time]], for example the passage of the sun, moon and stars. |
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| + | The strongest Zeitgeber, for animals, is light. Other, non-photic, zeitgebers include changes in: |
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| + | * [[Barometric pressure]] |
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| + | * [[Eating]]/[[drinking patterns]] |
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| + | * [[Magnetic field]] |
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| + | * Pharmacological manipulation |
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| + | * [[Seasonal variations]] |
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| + | * [[Social interactions]], |
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| + | * [[Temperature effects]]. |
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==See also== |
==See also== |
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| − | [[ |
+ | * [[Biological rhythms]] |
| + | * [[Circadian rhythm]] |
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| + | * [[Environmental effects]] |
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| + | * [[Infradian rhythm]] |
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| + | * [[Melatonin]] |
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| + | * [[Phase response curve]] |
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| + | * [[Suprachiasmatic nucleus]] or nuclei (SCN) |
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| + | * [[Ultradian]] |
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== References == |
== References == |
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| + | {{reflist}} |
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| + | |||
| + | ==Further reading== |
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* Aschoff J (1965) The phase-angle difference in circadian periodicity.In "Circadian Clocks" (J. Aschoff, ed.). North Holland Press, Amsterdam, p 262–278. |
* Aschoff J (1965) The phase-angle difference in circadian periodicity.In "Circadian Clocks" (J. Aschoff, ed.). North Holland Press, Amsterdam, p 262–278. |
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[[Category:Circadian rhythms]] |
[[Category:Circadian rhythms]] |
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| + | [[Category:Environmental effects]] |
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| − | :de:Zeitgeber |
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{{enWP|Zeitgeber]] |
{{enWP|Zeitgeber]] |
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Revision as of 17:12, 29 August 2012
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Zeitgeber (from German for "time giver") is any external (exogenous) cue that entrains the internal (endogenous) time keeping system of organisms. It is any feature of the external environment that provides clues as to the passage of time, for example the passage of the sun, moon and stars.
The strongest Zeitgeber, for animals, is light. Other, non-photic, zeitgebers include changes in:
- Barometric pressure
- Eating/drinking patterns
- Magnetic field
- Pharmacological manipulation
- Seasonal variations
- Social interactions,
- Temperature effects.
See also
- Biological rhythms
- Circadian rhythm
- Environmental effects
- Infradian rhythm
- Melatonin
- Phase response curve
- Suprachiasmatic nucleus or nuclei (SCN)
- Ultradian
References
Further reading
- Aschoff J (1965) The phase-angle difference in circadian periodicity.In "Circadian Clocks" (J. Aschoff, ed.). North Holland Press, Amsterdam, p 262–278.
External Links
{{enWP|Zeitgeber]]