نتایج جستجو برای: action in rem
تعداد نتایج: 17037422 فیلتر نتایج به سال:
around 75% of civilians have experienced at least one traumatic event in their lives, and this number is considerably higher in many parts of the world, as well as in military veterans and first responders. of those exposed to trauma, 15-25% will develop posttraumatic stress disorder (ptsd). ptsd extracts enormous economic, health, and quality of life cost. thus, it is critical to understand m...
The rapid evaluation method (REM) was developed by WHO in order to assess the performance and quality of health care services, identify operational problems, and assist in taking managerial action. It was tested in five developing countries (Botswana, Madagascar, Papua New Guinea, Uganda and Zambia) between 1988 and 1991. REM consists of a set of observation- and survey-based diagnostic activit...
BACKGROUND In patients with chronic obstructive pulmonary disease (COPD) periods of hypopnoea occur during rapid eye movement (REM) sleep, but the mechanisms involved are not clear. METHODS Ten patients with stable COPD were studied during nocturnal sleep. Detailed measurements were made of surface electromyographic (EMG) activity of several respiratory muscle groups and the accompanying ches...
Introduction: There are several evidences that show various environmental stresses during pregnancy, affect physiological behavior of the offspring. In this study the effects of REM (Rapid Eye Movement) sleep deprivation of pregnant rats on spatial learning of adult male offspring by Morris water maze were investigated. Methods: Water tank technique was used for inducing REM sleep deprivatio...
Compelling evidence links the recently discovered hypothalamic peptides Hypocretin/Orexin (Hcrt/Orx) to rapid eye movement sleep (REM) control and the sleep disorder narcolepsy, yet how they influence sleep-related systems is not well understood. We investigated the action of Hcrt/Orx on mesopontine cholinergic (MPCh) neurons of the laterodorsal tegmental nucleus (LDT), a target group whose fun...
زمینه و هدف: خواب یک ریتم بیولوژیک سیرکادین پدیده فیزیولوژیک فراگیری می باشد که در همه گونه های مهره داران دیده می شود و شامل دو بخش (rapid eye movement) rem و non-rem می باشد. محرومیت کامل یا نسبی ازخواب باعث بروز اختلالات شناختی می گردد. اختلالات شناختی متعاقب محرومیت از خواب احتمالا ناشی از تغییرات سلولی در بعضی از نواحی مغزی درگیر در این پدیده می باشد. با توجه به نقش هیپوکامپ در فعالیت های ...
the purpose of this study was to examine how four teachers used the seven processes of videotape analysis to develop an analytic approach and reflective thinking towards their teaching. the study was organized within video clubs and was used to describe the interactions among four teachers about their experiences at a language institute. data were gathered through videotaped recordings of lesso...
The noradrenergic (NA-ergic) rapid eye movement (REM)-OFF neurons in locus coeruleus (LC) and cholinergic REM-ON neurons in laterodorsal/pedunculopontine tegmentum show a reciprocal firing pattern. The REM-ON neurons fire during REM sleep whereas REM-OFF neurons stop firing during REM sleep. The cessation of firing of REM-OFF neurons is a pre-requisite for the generation of REM sleep and non-ce...
The action of protovertarines A and B, which stimulate carotid sinus baroreceptors and vagal sensory endings in the heart as well as pulmonary bed, were assessed on spontaneous and postsigh central sleep apneas in freely moving Sprague-Dawley rats. During the 6-h recording period, animals were simultaneously monitored for sleep by using electroencephalogram and electromyogram recordings, for re...
Urotensin II modulates rapid eye movement sleep through activation of brainstem cholinergic neurons.
Urotensin II (UII) is a cyclic neuropeptide with strong vasoconstrictive activity in the peripheral vasculature. UII receptor mRNA is also expressed in the CNS, in particular in cholinergic neurons located in the mesopontine tegmental area, including the pedunculopontine tegmental (PPT) and lateral dorsal tegmental nuclei. This distribution suggests that the UII system is involved in functions ...
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