نتایج جستجو برای: hpa ii
تعداد نتایج: 585958 فیلتر نتایج به سال:
Measures of the hypothalamic–pituitary–adrenocortical (HPA) axis can help us understand emotional development. However, to use these measures effectively, we must remember that the HPA system evolved to serve multiple essential functions, including regulation of glucose and carbohydrate metabolism and modulation of the immune and cardiovascular systems (Sapolsky, Romero, & Munck, 2000; Schulkin...
Optimal functioning of the hypothalamo-pituitary-adrenal (HPA) axis is paramount to maximizing fitness in vertebrates. Research in laboratory mammals has suggested that maternally-induced stress can cause significant variation in the responsiveness of an offspring's HPA axis involving both pre- and post-natal developmental mechanisms. However, very little is known regarding effects of maternal ...
[1] We compare matched retrievals of upper tropospheric water vapor (UTWV) mixing ratios from the Microwave Limb Sounder (MLS) instrument on the Aura satellite, and the Atmospheric Infrared Sounder (AIRS) instrument on the Aqua satellite. Because each instrument’s sampling is affected by tropical conditions, about half of mutually observed scenes in the tropics yield simultaneous successful ret...
The hypothalamic-pituitary-adrenal (HPA) axis regulates circulating levels of glucocorticoid hormones, and is the major neuroendocrine system in mammals that provides a rapid response and defense against stress. Under basal (i.e., unstressed) conditions, glucocorticoids are released with a pronounced circadian rhythm, characterized by peak levels of glucocorticoids during the active phase, that...
Activity of the HPA system does appear to be related to emotion regulation processes in children. The conditions known to modulate HPA activity in animals, adults, and children correspond well to the behavioral strategies often discussed in the domain of emotion regulation. Individual differences in emotion processes related to negative emotion temperaments appear to be associated with individu...
The hypothalamic-pituitary-adrenal (HPA) axis response in sepsis remains to be elucidated. Apart from corticotropin-releasing hormone, adrenocorticotropic hormone, and cortisol, many other neuroendocrine factors participate in the regulation of HPA stress response. The HPA response to acute and chronic illness exerts a biphasic profile. Tissue corticosteroid resistance may also play an importan...
BACKGROUND Biological markers of vulnerability for current or future risk of suicide in adolescents could be important adjuncts to the treatment and prevention of this phenomenon. DATA SOURCES We conducted a PubMed search of all English-language articles published between January 1990 and June 2011 using the following search terms: ("hypothalamic-pituitary-adrenal" OR "HPA") AND ("adolescence...
Evidence from studies on healthy older adults and mild cognitive impairment (MCI) populations suggests that physical activity interventions have a positive effect on executive function. In this study, we consider whether HPA is positively associated with executive function in Alzheimer's disease (AD). Eighty-two participants with a diagnosis of mild to moderate AD completed six measures of exec...
The vertebrate hypothalamus-pituitary-adrenal (HPA; or interrenal) axis plays pivotal roles in animal development and in physiological and behavioral adaptation to environmental change. The HPA, or stress axis, is organized in a hierarchical manner, with feedback operating at several points along the axis. Recent findings suggest that the proteins, gene structures, and signaling pathways of the...
در این مقاله، همبستگی بین اُزن کلی (Total ozone) و ارتفاع ژئوپتانسیلی (Meteorological parameters) و دمای جوٌ بالا (Upper air) برای سه ایستگاه تهران، آنکارا و بت داگان (Bet Dagan) واقع در منطقه خاورمیانه در دوره سه ماه سرد ژانویه، فوریه و مارس در سالهای 2005 ، 2007 و 2008 بررسی شده است. دادههای جوٌ بالا مربوط به دانشگاه وایومینگ و دادههای اُزن مربوط به دادههای ماهواره است. نتایج بررسی ضرایب ه...
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