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These rhythms are influenced by variable environmental cues, and in some species are influenced by internal cues. In a study conducted by Catalina Reyes, the authors took a further look into how red-eared sliders showed circadian and circannual rhythms in metabolism, and if metabolic rates overall influenced the circadian and circannual cues.
A circadian rhythm (/ s ər ˈ k eɪ d i ə n /), or circadian cycle, is a natural oscillation that repeats roughly every 24 hours.Circadian rhythms can refer to any process that originates within an organism (i.e., endogenous) and responds to the environment (is entrained by the environment).
This alternating domination pattern allows the circadian rhythms in animals to persist on both short and long days, respectively. Stoleru's work significantly contributed to the field of chronobiology by revealing the mechanism through which animals are able to adapt to environmental changes such as seasonal variations in daylight length.
The Science of Circadian Rhythms: How Light Affects Sleep Here's where things get a bit more counterintuitive. We often think of winter as a time to sleep more because the dark days make us want ...
Seasonal affective disorder and winter blues can both be caused by a few different factors. Location. The farther someone lives from the equator, the higher their risk of developing winter blues ...
Phoenix saw just 4.54 inches of rain last year — 2.52 inches below normal — and the lack of precipitation, as well as the increased heat, has thrown seasonal rhythms out of sync: “I have a ...
Seasonal affective disorder (SAD) is a mood disorder subset in which people who typically have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year. [ 1 ] [ 2 ] It is commonly, but not always, associated with the reductions or increases in total daily sunlight hours that occur during the winter ...
This work has important implications for understanding the dynamics of the influenza season, as well as other emergent seasonal diseases. More recently, Nelson focused on the effects of dim light at night on the disruption of circadian rhythms to examine a number of outcomes, including obesity, depression, cognition, cardiac disease, and cancer.