"Activity Cycles" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
Bouts of physical irritability or movement alternating with periods of quiescence. It includes biochemical activity and hormonal activity which may be cellular. These cycles are shorter than 24 hours and include sleep-wakefulness cycles and the periodic activation of the digestive system.
Concept/Terms
Activity Cycles- Activity Cycles
- Activity Cycle
- Cycle, Activity
- Cycles, Activity
Ultradian Cycles- Ultradian Cycles
- Cycle, Ultradian
- Cycles, Ultradian
- Ultradian Cycle
Below are MeSH descriptors whose meaning is more general than "Activity Cycles".
Below are MeSH descriptors whose meaning is more specific than "Activity Cycles".
This graph shows the total number of publications written about "Activity Cycles" by people in Harvard Catalyst Profiles by year, and whether "Activity Cycles" was a major or minor topic of these publication.
To see the data from this visualization as text,
click here.
| Year | Major Topic | Minor Topic | Total |
|---|
| 1994 | 0 | 1 | 1 |
| 1997 | 0 | 2 | 2 |
| 1998 | 1 | 1 | 2 |
| 2000 | 1 | 0 | 1 |
| 2001 | 1 | 1 | 2 |
| 2002 | 2 | 0 | 2 |
| 2003 | 1 | 0 | 1 |
| 2007 | 1 | 2 | 3 |
| 2009 | 0 | 1 | 1 |
| 2010 | 1 | 0 | 1 |
| 2012 | 1 | 0 | 1 |
| 2013 | 1 | 1 | 2 |
| 2014 | 1 | 1 | 2 |
| 2015 | 1 | 1 | 2 |
| 2017 | 1 | 0 | 1 |
| 2018 | 1 | 0 | 1 |
| 2019 | 2 | 1 | 3 |
| 2021 | 1 | 0 | 1 |
| 2022 | 1 | 0 | 1 |
Below are the most recent publications written about "Activity Cycles" by people in Profiles.
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Daytime rest: Association with 24-h rest-activity cycles, circadian timing and cognition in older adults. J Pineal Res. 2022 Oct; 73(3):e12820.
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Robust stability of melatonin circadian phase, sleep metrics, and chronotype across months in young adults living in real-world settings. J Pineal Res. 2021 Apr; 70(3):e12720.
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Equation representing the dark-entrained transition from inaction to action in male and female mice. Behav Brain Res. 2020 08 17; 392:112673.
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Estimating Representative Group Intrinsic Circadian Period from Illuminance-Response Curve Data. J Biol Rhythms. 2020 04; 35(2):195-206.
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Application of a Limit-Cycle Oscillator Model for Prediction of Circadian Phase in Rotating Night Shift Workers. Sci Rep. 2019 07 30; 9(1):11032.
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Evaluating causal associations between chronotype and fatty acids and between fatty acids and type 2 diabetes: A Mendelian randomization study. Nutr Metab Cardiovasc Dis. 2019 11; 29(11):1176-1184.
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Chronotype differences in cortical thickness: grey matter reflects when you go to bed. Brain Struct Funct. 2018 Sep; 223(7):3411-3421.
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Evening types demonstrate reduced SSRI treatment efficacy. Chronobiol Int. 2018 08; 35(8):1175-1178.
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Feeding during the rest phase promotes circadian conflict in nuclei that control energy homeostasis and sleep-wake cycle in rats. Eur J Neurosci. 2017 05; 45(10):1325-1332.
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The psychiatry of light. Harv Rev Psychiatry. 2015 May-Jun; 23(3):188-94.