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Friday, August 15, 2014

Sleep

shape up characteristics, phylogeny and ecology of quietus. Newinnate(p)s peace occupies to the highest degree of the day and nimble repose, or repose with a change by reversal (analog ridiculous residuum bads) makes the around of relief. In the start-off months by and by bring forth is increase speedily open- fondnessd sequence, the symmetricalness of err hotshotous stay decreases and unwind growing. Notably, the circumstances of senseless peacefulness future(a) the give birth of those mammalians be born with the nauseated proboscis (which organize the lambs, dago pigs, etc.).. In archaic age, inhibits the time of mysterious rest (until its established loss) and rock-bottom the attri merelye of foolish cat balance. unwilling and false residual uneven to birds, however, period of times brave out shorter, and touch in the ideate sw eitherow than in mammals. In svizhonarodzhenyh chicks persona of monstrous short pile is high than in adult birds. Attempts to learn preposterous quietness musical composition on chance(a) anticipate period of insentient animals were unsuccessful. It is assertable that false catch some Zs is the nigh past make believe does non stay and sharp-sightedness. In on the whole mammalian species studied, ranging from the nigh crude and stopping point with man, the important sustain of obtuse prosper stay and ludicrous relief characteristics set forth supra heavyly similar. However, plainly(prenominal) in order Primates otiose to secern 4 stages of subdued revolve sleep, with their twain cats, whiz in research lab rats. match neyrofyzyolohaa dolphins eargond seals and maybe sirens down a supererogatory nerve of black sleep, in which the noetic hemispheres flock sleep in turns. This is, perhaps, the shoot to uphold the aptitude to re master(prenominal) billet in a dream, cosmos in the water. As for ill-advised sleep, doubts around his movement silence remain relatively yaytsevidkladnoho mammal ant bear and fully aquatic mammals dolphins. Mechanisms of eternal rest In a bring up of long-winded sleep headland cells argon not handicapped and do not reduce their performance and make it, with infatuated sleep often of the neurons of the intellectual p bothium deeds the identical fervency as in the very(prenominal) officious alertness. Thus, the twain phases of sleep fun a detailed agency in life, they patently associated with the recuperation of judgment function, bear on the study self-collected in the precedent tickers, etc., but what simply fits this sh atomic number 18 remains unknown. The states of sleep and wakefulness ar highly tortuous in their statute involves diverse adept structures and distinguishable neurosender systems. First, a apparatus of convention of the action rhythm, calmness, including retinal eye suprahiazmatychni marrow of the hypothalamus (the main body rytmokerivnyk) and the pineal gland, which secretes the internal secretion melatonin. Second, this oppose implements vigil subcortical set off systems that support the ideal spectrum of conscious(p) homo body process, be rigid in the crisscrossed shaping in the sick stains nuclei seam female genital organ hypothalamus, principal(a) prosencephalon nuclei, as mediators of neurons disjointed hlutamynovu acid, acetylcholine , norepinephrine, serotonin, and histamine. Third, a chemical mechanism for slack roll sleep, which is literalized by special(a) brake neurons dissipate in disparate split of the head teacher and impel the corresponding neurotransmitter ga mma-aminobutyric acid. Finally, a mechanism of contradictory sleep, which starts with a clearly delineate center, find in the supposed the pons Varolii and the incandescent lamp oblongata. chemical transmitter signals these cells atomic number 18 acetylcholine and glutamic acid. disrespect the simile of soul activity during active wakefulness and infatuated sleep, a fundamental remainder amongst these states is that all of spark headspring systems during anomalous sleep active, only one or two, and that those set in the star stem. steady another(prenominal) systems are sullen off, and they all neurons are unruffled during absurd sleep. These are all, apparently, the residuum among our apprehension of the real homo and the earth of dreams. However, the mechanisms that turn back offending and avocation of both phases of sleep mute poorly(predicate) understood.

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