نتایج جستجو برای: cicardian rhythms
تعداد نتایج: 16157 فیلتر نتایج به سال:
Circadian rhythms, metabolism, and nutrition are intimately linked [1, 2], although effects of meal timing on the human circadian system are poorly understood. We investigated the effect of a 5-hr delay in meals on markers of the human master clock and multiple peripheral circadian rhythms. Ten healthy young men undertook a 13-day laboratory protocol. Three meals (breakfast, lunch, dinner) were...
Circadian clock proteins form an autoregulatory feedback loop that is central to the endogenous generation and transmission of daily rhythms in behavior and physiology. Increasingly, circadian rhythms in clock gene expression are being reported in diverse tissues and brain regions that lie outside of the suprachiasmatic nucleus (SCN), the master circadian clock in mammals. For many of these ext...
Humans tend to spontaneously align their movements in response to visual (e.g., swinging pendulum) and auditory rhythms (e.g., hearing music while walking). Particularly in the case of the response to auditory rhythms, neuroscientific research has indicated that motor resources are also recruited while perceiving an auditory rhythm (or regular pulse), suggesting a tight link between the auditor...
Total glucocorticoid hormone levels in plasma of various species, including humans, follow a circadian rhythm that is made up from an underlying series of hormone pulses. In blood most of the glucocorticoid is bound to corticosteroid-binding globulin and albumin, resulting in low levels of free hormone. Although only the free fraction is biologically active, surprisingly little is known about t...
There is a growing interest in the role of biological and behavioral rhythms in typical and atypical development. Recent studies in cognitive and developmental psychology have highlighted the importance of rhythmicity and synchrony of motor, emotional, and interpersonal rhythms in early development of social communication. The synchronization of rhythms allows tuning and adaptation to the exter...
Simultaneous assessment of subjective appetite, unacylated ghrelin, and leptin was carried out over a continuous 37-h protocol for the first time under conditions controlled light, sleep, feeding in healthy, lean adults. Rhythms were observed leptin, components such as hunger, prospective consumption, fullness. Concurrent measurement rhythms these variables is important to fully understand temp...
Purpose: This research was carried out to determine the knowledge of pre-hospital emergency health care personnel about peri-arrest and arrest rhythms. Material Methods: The present is designed as a descriptive study. sample formed by 80 working in Sivas 112 Emergency Health Services unit. In collecting datai "Individual Information Form" "Pre-Hospital Personnel's on Peri-arrest Arrest Rhythms ...
BACKGROUND Circadian regulation of chemosensory processes is common in animals, but little is known about how circadian clocks control chemosensory systems or the consequences of rhythms in chemosensory system function. Taste is a major chemosensory gate used to decide whether or not an animal will eat, and the main taste organ in Drosophila, the proboscis, harbors autonomous circadian oscillat...
Circadian clocks impact vital cardiac parameters such as blood pressure and heart rate, and adverse cardiac events such as myocardial infarction and sudden cardiac death. In mammals, the central circadian pacemaker, located in the suprachiasmatic nucleus of the hypothalamus, synchronizes cellular circadian clocks in the heart and many other tissues throughout the body. Cardiac ventricle explant...
Drawing on 32 face-to-face interviews with mothers and childcare providers in Latvia, this paper examines the mundane mobilities. We argue that attention to mobilities reveals crucial arrangements of rhythms. Moving from places, around homes children are central provision childcare. These expressed temporal personal rhythms, continuities, disruptions. Mundane link locations between family care ...
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