نتایج جستجو برای: historical stages
تعداد نتایج: 290417 فیلتر نتایج به سال:
'Complexity science' is a rapidly developing research direction with applications in a multitude of fields that study complex systems consisting of a number of nonlinear elements with interesting dynamics and mutual interactions. This Theme Issue 'The complexity of sleep' aims at fostering the application of complexity science to sleep research, because the brain in its different sleep stages a...
From a biological-genealogical perspective, the history of mankind appears as a steady continuous flow of thousands of millions of individual lives upon which no collective periodization can be imposed. In contrast, the history of the social production of man characteristically moves in stages, that is, distinctive periods of time. The conceptual model of historical generations leads to the mee...
While most organs undergo development in utero, the mouse mammary gland orchestrates five major developmental stages following birth: pre-puberty, puberty, pregnancy, lactation, and involution. Induced by both local and systemic factors, these five developmental stages transpire with dramatic alterations in glandular morphology and cellular function. As an experimental system, the mammary gland...
any attempt to modify existing sciences based on islam, needs attention to islamic principles and structures. this process involves them in all stages of the production process of religious knowledge.passive avoidance and use of all facilities and opportunities in the manufacturing process right wing islamic human sciences and management, in particular, requires the design of a islamic comprehe...
Human deep sleep is characterized by reduced sensory activity, responsiveness to stimuli, and conscious awareness. Given its ubiquity and reversible nature, it represents an attractive paradigm to study the neural changes which accompany the loss of consciousness in humans. In particular, the deepest stages of sleep can serve as an empirical test for the predictions of theoretical models relati...
The purpose of this study was to examine the effects of a truss mattress upon sleep and bed climate. The truss mattress which has been designed to decrease the pressure and bed climate humidity was tested. Six healthy female volunteers with a mean age of 23.3 years, served as subjects. The experiment was carried out under two conditions: a truss mattress (T) and a futon (F) (Japanese bedding). ...
STUDY OBJECTIVES The program provides a unique opportunity to compare a large number of scorers with varied levels of experience to determine sleep stage scoring agreement. The objective is to examine areas of disagreement to inform future revisions of the AASM Manual for the Scoring of Sleep and Associated Events. METHODS The sample included 9 record fragments, 1,800 epochs and more than 3,2...
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