circadian


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Related to circadian: Circadian clock, Circadian rhythm sleep disorder

circadian

of or relating to biological processes that occur regularly at about 24-hour intervals, even in the absence of periodicity in the environment
References in periodicals archive ?
Although the importance of interactions between sleep and circadian rhythms is increasingly recognized, existing journals focus on these research areas as if they are independent processes," he said.
This is the first study to show that caffeine, the mostly widely used psychoactive drug in the world, has an influence on the human circadian clock," said Wright, a professor in CU-Boulder's Department of Integrative Physiology.
Overall, the biological activity of circadian clocks must be taken into account when experimenting with mice.
The first idea is to commercialize solid-state light engines, which can be directed to contain the proper circadian action spectrum when used during the day, and to remove these shorter wavelengths at night.
They found that lipoic acid helped remediate some of the liver dysfunctions that are often common in old age, and significantly improved the function of their circadian rhythms.
A number of digestive and intestinal enzymes are expressed in a circadian manner and are synchronised by foods and accordingly, changes in timing of food can modify rhythmicity.
shifted"), an experience that is known to disrupt an organism's innate circadian rhythm.
While temporarily weakening the circadian clock with drugs is not natural, neither is international travel, he says.
Proof-bysynthesis of the transcriptional logic of mammalian circadian clocks.
In the case of jet lag, the acupuncturist selects points on the meridians that directly effect and rebalance the circadian rhythm, allowing for a normal and refreshing sleep cycle.
While the Clock gene is expressed throughout the brain, it's really only been studied in one particular brain region, which is the one that's involved in circadian rhythms," said Dr.
People with sleep disorders from working night shifts especially may benefit from therapy to shift their circadian rhythms to match the imposed sleep schedule.