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Articles de revues sur le sujet « Biorhythms »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 30 mai 2022

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1

Zotin, Alexey A., Svetlana A. Murzina et Evgeny P. Ieshko. « Growth biorhythms in the freshwater pearl mussel Margaritifera margaritifera (Bivalvia, Margaritiferidae). Livojoki river population (Karelia) ». Knowledge & ; Management of Aquatic Ecosystems, no 419 (2018) : 44. http://dx.doi.org/10.1051/kmae/2018033.

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Individual linear growth rates were studied in freshwater pearl mussels Margaritifera margaritifera from the Livojoki River. Growth deceleration coefficients were shown to vary widely and differ significantly among individuals. The average value of the growth deceleration coefficient for the population is 0.060. The growth of mussels in the Livojoki River is accompanied by two regular biorhythms. These biorhythm periods were roughly constant both through an individual's ontogeny and among mussels, their average periods were 7.16 and 4.09 years. We discuss the possibility that these biorhythms are of thermodynamic nature.
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Датиева, Fatima Datieva, Хетагурова et Larisa Khetagurova. « Tte temporary organization of hemostasis system and microcirculation rhythms while gestational DIC-syndrome against the background of phytocorrection while the experiment ». Vladikavkaz Medico-Biological Bulletin 20, no 29 (1 novembre 2014) : 0. http://dx.doi.org/10.12737/11821.

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The state of temporal organization of hemostasis system (HS) and microcirculation (MC) was studied in 72 rats of Wistar line weighted 200-250 gr. They were in 8 groups: intact rats, rats with physiologic pregnancy; with experimental gestosis; prophylactic and treatment-and-prophylactic injections of complex phytoadaptogens – phytococktails “Biorhythm-E” and “Biorhythm-RG”. The analysis of coagulation and microcirculation indices was performed on the 21-st day of gestation. The biorhythms were estimated with the help of “cosinor-analysis” programmer. The reliable ultradian biorhythms prevailed in the intact rats, among which there were rhythms (5%) with high and middle amplitude, with the period of 5-7 hours. The chronic intersystemic pathologic desynchronosis developed while the experimental gestosis. The usage of phytococktail “Biorhythm-E” was more effective while the architectonics of temporal organization impairment at the expense of the part of the reliable circadian rhythms increase while the treatment-and-prophylactic administration. The usage of complex phytoadaptogens promoted the increase of HS and MC adaptation resources, normalizing the impaired architectonics of biological rhythms.
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Gibson, Dale. « Constitutional Biorhythms ». Canadian Review of American Studies 17, no 3 (septembre 1986) : 375–80. http://dx.doi.org/10.3138/cras-017-03-11.

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da Silva, Martins, C. D. Binnie, I. H. Meinard et Ronald Lesser. « Biorhythms and Epilepsy ». Therapeutic Drug Monitoring 8, no 2 (juin 1986) : 247. http://dx.doi.org/10.1097/00007691-198606000-00025.

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Fenwick, P. « Biorhythms and Epilepsy ». Journal of Neurology, Neurosurgery & ; Psychiatry 49, no 6 (1 juin 1986) : 731. http://dx.doi.org/10.1136/jnnp.49.6.731-a.

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Daly, David D. « Biorhythms in Epilepsy ». Journal of Clinical Neurophysiology 3, no 3 (juillet 1986) : 268. http://dx.doi.org/10.1097/00004691-198607000-00005.

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Meldrum, B. S. « Biorhythms and Epilepsy ». Neurochemistry International 10, no 1 (janvier 1987) : 128. http://dx.doi.org/10.1016/0197-0186(87)90186-0.

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Hughes, John R. « Biorhythms and epilepsy ». Electroencephalography and Clinical Neurophysiology 63, no 4 (avril 1986) : 390–91. http://dx.doi.org/10.1016/0013-4694(86)90027-1.

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Thomas, Karen. « Biorhythms in the Nursery ». Journal of Perinatal & ; Neonatal Nursing 21, no 2 (avril 2007) : 89–90. http://dx.doi.org/10.1097/01.jpn.0000270622.87454.e1.

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Minkevich, A. I., R. V. Yunusov, S. Z. Gabitov et A. L. Storozhev. « Biorhythms and myocardial infarction ». Kazan medical journal 68, no 2 (15 avril 1987) : 133–34. http://dx.doi.org/10.17816/kazmj96050.

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The aim of our research was to find the dependence of myocardial infarction occurrence on the critical days and phases of three macrorhythms: physical, emotional and intellectual. The following dates were taken for comparison - day, month, year of birth and date, month, year of myocardial infarction occurrence.
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Lyashuk, P. M., et V. V. Pishak. « I. I. Dedov, V. I. Dedov. Hormonal Biorhythms ». Problems of Endocrinology 40, no 1 (15 février 1994) : 58–59. http://dx.doi.org/10.14341/probl11342.

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There are many different, mostly popular, sometimes sensational publications dedicated to biorhythms in our lives. The peer-reviewed monograph summarizes literature data and the results of our own studies on the nature of the rhythmic functioning of various parts of the neuroendocrine system and the role of hormone biorhythms in the development of endocrinopathies. The authors went beyond the title of the book, since biorhythms are only a special case of a wider dependence of life processes on time. The monograph consists of a preface, introduction, 4 chapters, conclusion and list of references. The introduction substantiates the relevance of the topic and clearly defined tasks. The material of each chapter is presented at the modern level of knowledge with an analysis of extensive, mainly foreign, literature.
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Кострова, Ирина, Irina Kostrova, Ольга Приходько, Olga Prikhodko, Светлана Горячева et Svetlana Goryacheva. « STATE OF CIRCADIAN RHYTHMS OF LUNG FUNCTION IN PATIENTS WITH SEVERE CHRONIC OBSTRUCTIVE PULMONARY DISEASE ». Bulletin physiology and pathology of respiration 1, no 66 (26 décembre 2017) : 14–17. http://dx.doi.org/10.12737/article_5a1f6270ce0570.73479912.

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Investigation of timing organization of lung function in patients with chronic obstructive pulmonary disease of different severity is an important problem in the diagnosis of desynchronosis. We aimed to study circadian rhythms of lung function in patients with severe chronic obstructive pulmonary disease. As a result, not only quantitative, but also qualitative disorders of lung function were revealed. There were registered three types of biorhythms: day, evening and morning. Minimum values of lung function parameters were recorded in patients with pathological morning type of biorhythms. In patients with the severe course against the background of lower medians of spirographic indices, statistically significant differences were also revealed in patients with day and evening types of biorhythms, which indicated a decrease in the adaptive capabilities of the respiratory system.
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Kachlík, Petr. « Human biorhythms and their importance ». Tělesná kultura 40, no 1 (30 juin 2017) : 23–32. http://dx.doi.org/10.5507/tk.2017.001.

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Berger, Josef. « Why do circadian biorhythms age ? » Journal of Applied Biomedicine 1, no 2 (31 juillet 2003) : 77–84. http://dx.doi.org/10.32725/jab.2003.012.

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Afonin, Aleksey. « Infradian rhythms of increment dynamics of shoots in clones of almond willow (Salix triandra, Salicaceae) ». Agrarian Bulletin of the 205, no 02 (23 avril 2021) : 2–11. http://dx.doi.org/10.32417/1997-4868-2021-205-02-2-11.

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Abstract. Purpose of research – harmonic analysis of the structure of seasonal dynamics of daily increment of shoots in almond willow (Salix triandra) clones. Research methodology and methods. Object is a model population created by cuttings of sibs-seedlings from the same family obtained by regular inbreeding over three generations. Material – growing long shoots. Experimental group: seven clones of one-year saplings from cuttings; 6-fold repetition. Control group – seedlings from the same family on their own roots of the fourth year of life. Methods: comparative morphological, chronobiological, numerical analysis of time series. Observations were made during the growing season of 2020. Results. The beginning of the growth of shoots – the end of the first decade of May. The maximum daily increase is in early summer (06.06…14.06). Further, the daily growth decreased unevenly until the end of August. Seasonal dynamics of daily increment is determined by the interaction of linear and nonlinear components. Linear components determine the seasonal trend of daily increment dynamics. They are approximated by the corresponding regression equations with different reliability. Nonlinear components determine the cyclical nature of the seasonal dynamics of daily increment. They are approximated by sums of harmonics with an oscillation period of 9–144 days with very high reliability. Scientific novelty. The cyclical nature of the seasonal dynamics of daily increment is determined by the interaction of biorhythms with different periods. Subannual biorhythms with a period of more than 48 days correct seasonal trends of daily increment. Infradian biorhythms with a period of 9...36 days determine the alternation of peaks and dips in the seasonal dynamics of daily increment. Biorhythms with a period of 29...36 days were synchronized in the experimental and control groups, but shifted in phase when comparing the experiment and control. Biorhythms with a period of 21...24 days are synchronized on all the researched shoots. Biorhythms with a period of 9…18 days are not synchronized, but their resulting fluctuations affect the dynamics of daily increment at the beginning and end of the growing season.
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Neudakhin, E. V. « Chronotherapy in pediatrics is the basis for improving the effectiveness of treatment of children`s diseases ». Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics) 63, no 6 (29 décembre 2018) : 7–14. http://dx.doi.org/10.21508/1027-4065-2018-63-5-7-14.

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The article briefly describes the general ideas on the body’s biorhythms determining the essence of its homeostasis. The article pays special attention to the importance of alternative interaction of the body's reactions in the formation of biorhythms. It is emphasized that the violation of biorhythms (desynchronosis) is the most profound and most sensitive marker of functional disorders. In this regard, the practicing doctors should use methods of chronodiagnosis and chronotherapy more widely. The article presents the authors’ data and the data of other authors on the high efficiency of chronotherapy. This method, focused on the individual approach to the treatment of a child, makes it possible to increase the effectiveness of treatment while decreasing usage of drugs. The future of medicine is impossible without a chronobiological understanding of its problems.Conflict of interest: The author of this article confirmed the lack of conflict of interest and financial support, which should be reported.
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Bulla, Martin, Thomas Oudman, Allert I. Bijleveld, Theunis Piersma et Charalambos P. Kyriacou. « Marine biorhythms : bridging chronobiology and ecology ». Philosophical Transactions of the Royal Society B : Biological Sciences 372, no 1734 (9 octobre 2017) : 20160253. http://dx.doi.org/10.1098/rstb.2016.0253.

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Marine organisms adapt to complex temporal environments that include daily, tidal, semi-lunar, lunar and seasonal cycles. However, our understanding of marine biological rhythms and their underlying molecular basis is mainly confined to a few model organisms in rather simplistic laboratory settings. Here, we use new empirical data and recent examples of marine biorhythms to highlight how field ecologists and laboratory chronobiologists can complement each other's efforts. First, with continuous tracking of intertidal shorebirds in the field, we reveal individual differences in tidal and circadian foraging rhythms. Second, we demonstrate that shorebird species that spend 8–10 months in tidal environments rarely maintain such tidal or circadian rhythms during breeding, likely because of other, more pertinent, temporally structured, local ecological pressures such as predation or social environment. Finally, we use examples of initial findings from invertebrates (arthropods and polychaete worms) that are being developed as model species to study the molecular bases of lunar-related rhythms. These examples indicate that canonical circadian clock genes (i.e. the homologous clock genes identified in many higher organisms) may not be involved in lunar/tidal phenotypes. Together, our results and the examples we describe emphasize that linking field and laboratory studies is likely to generate a better ecological appreciation of lunar-related rhythms in the wild. This article is part of the themed issue ‘Wild clocks: integrating chronobiology and ecology to understand timekeeping in free-living animals’.
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Cooke, Hannah M., et Agnes Lynch. « Biorhythms and chronotherapy in cardiovascular disease ». American Journal of Health-System Pharmacy 51, no 20 (15 octobre 1994) : 2569–80. http://dx.doi.org/10.1093/ajhp/51.20.2569.

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Hogg, Russell T., Laurie R. Godfrey, Gary T. Schwartz, Wendy Dirks et Timothy G. Bromage. « Lemur Biorhythms and Life History Evolution ». PLOS ONE 10, no 8 (12 août 2015) : e0134210. http://dx.doi.org/10.1371/journal.pone.0134210.

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Afonin, A. « Seasonal Dynamics of Internodes Length of the Shoots of Salix dasyclados Wimm. (Salicaceae Mirb.) Against the Background of Early Summer Drought Stress ». Bulletin of Science and Practice 6, no 9 (15 septembre 2020) : 18–36. http://dx.doi.org/10.33619/2414-2948/58/02.

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The article substantiates the need to study the influence of hydrothermic conditions on the linear growth of shoots of woolly-stemmed willow. Purpose of research: identification and analysis structure of seasonal dynamics of internodes length of the shoots of S. dasyclados against the background of short atmospheric drought. Object of research: model inbred-clone population of S. dasyclados. Material: growing and matured annual shoots on two-year-old roots. Research methods: empirical methods of experimental botany, computer technologies of data analysis. Results. Against the background of the change of the early summer drought by cool rainy weather, the annual growth of the strongest shoots was 1.3 ... 2.5 m. The average length of internodes on the shoot varied from 23 to 31 mm. Seasonal dynamics of internode length can be approximated by linear trends in the first approximation. The deviations of the internode length from linear trends are nonlinear and are approximated by the equations of harmonic oscillations with a period of 96 ... 192 days. The strength of the influence of these harmonics on the seasonal dynamics of deviations of the internode length from linear trends is 2 ... 54%. The cyclicity of seasonal dynamics of deviations of internode length from linear trends is established. The revealed cyclicity is determined by the interaction of endogenous subannual and infradian biorhythms. Subannual biorhythms are approximated by harmonic oscillations with a period of 48 (64) days. The contribution of these biorhythms to the overall cyclicity is 23 ... 76%. Multi-day, or infradian biorhythms are approximated by harmonic oscillations with a period of 19 … 24 (32) days. The contribution of these biorhythms to the overall cyclicity is 3 ... 35%. High-frequency oscillations with a period of 12 ... 16 days are disordered. Differences between series of seasonal dynamics of internode length are determined by differences between shoots of a single ramet, between different ramets, and between different clones. The influence of from early summer drought stress on the seasonal dynamics of internode length has not been established.
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Sivaprasad, S, Sivaprasad, S. « Circadian Biorhythms – Present Understanding and Status of Research ». Indian Journal of Applied Research 4, no 3 (1 octobre 2011) : 512–16. http://dx.doi.org/10.15373/2249555x/mar2014/160.

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Afonin, Alexey A. « Infradian rhythms of daily shoot increment in Salix viminalis (salicaceae) clones ». Bulletin of Nizhnevartovsk State University, no 2 (54) (20 juin 2021) : 12–22. http://dx.doi.org/10.36906/2311-4444/21-2/02.

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The structure of seasonal dynamics of daily growth of shoots of basket willow (Salix viminalis) is described and analyzed. Object: model inbred-clone population of S. viminalis. Material: developing shoots on annual saplings from cuttings. Methods: comparative morphological, chronobiological, numerical analysis of time series. The formation of dimorphic root systems of one-year saplings from cuttings is described. It is established that the seasonal dynamics of daily increment of shoots is determined by the interaction of linear and nonlinear components. Linear components are approximated by regression equations, and nonlinear components are approximated by harmonic oscillation equations. The rhythmicity of seasonal dynamics of shoot growth is described. Four groups of biorhythms were identified: annual with a period of about 96 days, subannual with a period of 4064 days, and infradian with a period of 1924 days and infradian with a period of 1016 days. The alternation of peaks and dips in the seasonal dynamics of shoot increment is determined by infradian biorhythms with a period of 19...24 days. Infradian biorhythms with different periods are synchronized with each other. The probable reason is the existence of a pulse synchronizer of biorhythms. Interclonal differences in the seasonal dynamics of the daily growth of shoots were not revealed. The probable cause of intraclonal differences is the ontogenetic heterogeneity of vegetative buds, from which annual shoots have developed. To verify this hypothesis, we plan to observe the development of seedlings grown from cuttings harvested from different parts of the uterine shoots. The results obtained are recommended to be taken into account when planning agroforestry measures for crop of S. viminalis.
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Fedortsov, A. B., et M. O. Silivanov. « Physiologically based control of the process of gentle light awakening ». Journal of Physics : Conference Series 2127, no 1 (1 novembre 2021) : 012064. http://dx.doi.org/10.1088/1742-6596/2127/1/012064.

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Abstract The well-being of a person and the efficiency of his production activities are largely determined by the correspondence of the biorhythms of a person to his working schedule. As it was established at the molecular and genetic level, the main physical factor that allows us to control human biorhythms is light (Nobel Prize 2017). Modern studies of ophthalmologists have found a third type of photoreceptors in human eyes, in addition to rods and cones. These receptors are not intended for receiving images, but primarily for correcting biorhythms, including controlling the process of awakening. The third type of receptors are sensitive mainly in the short-wave, blue region of the visible spectrum. In recent years light-emitting diodes have appeared. However, these devices do not take into account the current requirements for the spectrum of the awakening radiation, and even more so do not allow it to be adjusted during the awakening process according to the necessary program. We offer a technology for gentle awakening of the employee, based on modern concepts of ophthalmology and biorhythmology. The technology uses computer control of the physical factors of awakening-light and sound.
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Guha, T., A. Sen et R. L. Brahmachary. « Squid Gill - a System for Studying Biorhythms ». Microscopy and Microanalysis 3, S2 (août 1997) : 125–26. http://dx.doi.org/10.1017/s1431927600007510.

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It is well known that cephalopods ( octopus, squid, cuttle fish etc. ) have various pulsatile systems in their bodies. We have now used the gills of Loliolus investigatoris and Loligo dauvauceli, two small squids found in the Bay of Bengal, as a system for studying such autonomous pulsations. The gills excised out of squids cast on the beach from fishing nets can be maintained in pasteurised sea water for 3 4 or 5 days in petri dish where they continue to execute the rhythmic movements.The gill samples were fixed in 2% Gluteraldehyde in 0.1M Phosphate buffer (pH 7.4).for 48 hours, then washed with filtered pasteurised sea water, followed by washing in distilled water, dehydration in acetone and critical point drying in liquid CO2 and coating with gold.Fig. 1.depicts an ablated gill which executes an oscillatory motion as a whole; more importantly, the individual finger like projections shown in fig. 2, exhibit rhythmic lateral movements and the blood-vessels, as a result of constrictions and dilation, seem to “tick” like a clock in rapid succession. Periodicity of the gill swinging as a whole is about one swing per 7-8 seconds, for the sidewise swing it varied from 35 to 70 seconds in one gill, 11-39 in another while the “ticking” is about once a second. This last one is, however, lost after a few hours.
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Panuszka, Ryszard, Zbigniew Damijan, Cezary Kasprzak et James McGlothlin. « Infrasounds and biorhythms of the human brain ». Journal of the Acoustical Society of America 111, no 5 (2002) : 2335. http://dx.doi.org/10.1121/1.4777803.

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Grisar, Th, B. Lakaye et E. Thomas. « Molecular basis of neuronal biorhythms and paroxysms ». Archives of Physiology and Biochemistry 104, no 6 (janvier 1996) : 770–74. http://dx.doi.org/10.1076/apab.104.6.770.12915.

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Mergenhagen, Dieter. « Biorhythms on cellular and organismic level (introduction) ». Advances in Space Research 9, no 11 (janvier 1989) : 247–48. http://dx.doi.org/10.1016/0273-1177(89)90080-x.

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Carta, MG, A. Preti et HS Akiskal. « Coping with the New Era : Noise and Light Pollution, Hperactivity and Steroid Hormones. Towards an Evolutionary View of Bipolar Disorders ». Clinical Practice & ; Epidemiology in Mental Health 14, no 1 (28 février 2018) : 33–36. http://dx.doi.org/10.2174/1745017901814010033.

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Human population is increasing in immense cities with millions of inhabitants, in which life is expected to run 24 hours a day for seven days a week (24/7). Noise and light pollution are the most reported consequences, with a profound impact on sleep patterns and circadian biorhythms. Disruption of sleep and biorhythms has severe consequences on many metabolic pathways. Suppression of melatonin incretion at night and the subsequent effect on DNA methylation may increase the risk of prostate and breast cancer. A negative impact of light pollution on neurosteroids may also affect mood. People who carry the genetic risk of bipolar disorder may be at greater risk of full-blown bipolar disorder because of the impact of noise and light pollution on sleep patterns and circadian biorhythms. However, living in cities may also offers opportunities and might be selective for people with hyperthymic temperament, who may find themselves advantaged by increased energy prompted by increased stimulation produced by life in big cities. This might result in the spreading of the genetic risk of bipolar disorder in the coming decades. In this perspective the burden of poor quality of life, increased disability adjusted life years and premature mortality due to the increases of mood disorders is the negative side of a phenomenon that in its globality also shows adaptive aspects. The new lifestyle also influences those who adapt and show behaviors, reactions and responses that might resemble the disorder, but are on the adaptive side.
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Ašmantas, Šarūnas, et Mindaugas Venslauskas. « The Study of Biorhythms in Marine Colonial Hydroids ». Acta Zoologica Lituanica 12, no 1 (janvier 2002) : 70–75. http://dx.doi.org/10.1080/13921657.2002.10512489.

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Piérard-Franchimont, C., et G. E. Piérard. « Teloptosis, a Turning Point in Hair Shedding Biorhythms ». Dermatology 203, no 2 (2001) : 115–17. http://dx.doi.org/10.1159/000051723.

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Hogg, Russell T., Bin Hu et Timothy G. Bromage. « Histology of dental long-period biorhythms inCanis familiaris ». Journal of Anatomy 233, no 5 (11 septembre 2018) : 618–24. http://dx.doi.org/10.1111/joa.12876.

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Barnett, J. P., et N. I. Mamonov. « Biorhythms in conifer seed germination during extended storage ». Annales des Sciences Forestières 46, Supplement (1989) : 85s—88s. http://dx.doi.org/10.1051/forest:19890515.

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Avramenko, M. M., et �. N. Chirkova. « Correlation between calcium biorhythms and helio-geophysical factors ». Bulletin of Experimental Biology and Medicine 105, no 2 (février 1988) : 244–47. http://dx.doi.org/10.1007/bf00835707.

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Царева, Ю. О., et Ю. Г. Шварц. « Importance of Biorhythms and early thyroid Dysfunction in Development of Cardiovascular Pathology (Literature Review) ». Кардиология в Беларуси, no 1 (7 avril 2020) : 115–24. http://dx.doi.org/10.34883/pi.2020.12.1.010.

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В обзоре рассмотрена проблема сочетанной патологии щитовидной железы и сердечно-сосудистой системы, которая в настоящее время наблюдается достаточно часто. Представлены особенности течения кардиоваскулярных заболеваний при субклинической дисфункции щитовидной железы. Освещена теория об изменении суточных ритмов секреции тиреоидных гормонов как начальных проявлений нарушения функции щитовидной железы. В настоящее время отмечается возрастание интереса к изучению биоритмов организма и их изменений при формировании той или иной патологии. В связи с этим особое внимание уделяется роли клеточных, гуморальных механизмов регуляции биологических ритмов и их влияния на развитие и течение сердечно-сосудистых заболеваний. Приведены экспериментальные данные, результаты пилотных и проспективных исследований, посвященных изменениям биоритмов у пациентов с ишемической болезнью сердца, фибрилляцией предсердий, хронической сердечной недостаточностью. Описываются особенности ритмической деятельности щитовидной железы при сердечно-сосудистой патологии. В заключении указывается, что более глубокое изучение индивидуальных биоритмических особенностей организма помогло бы получить дополнительное представление о механизмах развития и прогрессирования заболеваний и создать перспективы для внедрения новых эффективных методов лечения. We considered the problem of the combined pathology of the thyroid gland and the cardiovascular system, which is currently quite often observed. The main features of cardiovascular diseases in subclinical thyroid dysfunction are presented. The authors highlighted the theory of changes in the daily rhythms of secretion of thyroid hormones as the initial manifestations of thyroid dysfunction. Currently, there is the increase of interest in the study of biological rhythms and their changes in the pathology. Special attention was paid to the role of cellular and humoral mechanisms of regulation of biorhythms and their influence on the development and progression of cardiovascular diseases. There are presented the results of experimental evidences, pilot and prospective studies on biorhythmic changes among patients with coronary heart disease, atrial fibrillation, and chronic heart failure. The features of the rhythmic activity of the thyroid gland in cardiovascular pathology are described. In conclusion, the authors indicate that a deeper study of the individual biorhythmic characteristics would help to introduce an additional view of the mechanisms of development and progression of diseases and create prospects for introducing new effective methods of treatment.
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Pavlenko, S. I., et O. A. Vedyasova. « BREATHING PARAMETERS IN STUDENTS WITH DIFFERENT TYPES OF BIORHYTHMS ». Vestnik of Samara University. Natural Science Series 20, no 3 (31 mai 2017) : 187–96. http://dx.doi.org/10.18287/2541-7525-2014-20-3-187-196.

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With the use of technique of spirography it was shown that background values of breathing pattern parameters in students depend on their biorhythmological features and time of day. Most prominent changes in breathing during the day were found in students with ”intermediate” type of circadian activity, and less prominent - in students with late” type of activity. Significant differences in values of respiratory frequency and in duration of respiratory phases between students with ”early” and ”intermediate” circadian activity were found, and also the differences in frequency and volume parameters of breathingbetween persons with ”intermediate” and ”late” activity in the morning and in the evening were registered. The differences in dynamics of respiratory parameters between persons with ”early” and ”late” types of activity were not significant.
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KITSERA, Alexander, Alexander KITSERA et Alexander KOZHUHAR. « NON-PHARMACOLOGICAL SEDATION BY PHOTO-TRIGGERING OF BRAIN BIORHYTHMS ». Proceedings of the Shevchenko Scientific Society Medical sciences 48, no 1 (20 juillet 2016) : 88–96. http://dx.doi.org/10.25040/ntsh2016.01.088.

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Кузовик, Вячеслав Данилович, et Артем Дмитрович Гордєєв. « Statistical processing of transient parameters in biorhythms of cortex ». Technology audit and production reserves 4, no 2(30) (26 juillet 2016) : 59. http://dx.doi.org/10.15587/2312-8372.2016.74649.

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Thomas, Karen A. « Biorhythms in infants and role of the care environment ». Journal of Perinatal & ; Neonatal Nursing 9, no 2 (septembre 1995) : 61–75. http://dx.doi.org/10.1097/00005237-199509000-00009.

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KNIFFKI, KLAUS-D., WOLFGANG MANDEL et PHUOC TRAN-GIA. « TEMPORAL FLUCTUATIONS IN BIORHYTHMS : EXPRESSION OF SELF-ORGANIZED CRITICALITY ? » Fractals 01, no 03 (septembre 1993) : 380–87. http://dx.doi.org/10.1142/s0218348x9300040x.

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Recently, a general organizing principle has been reported connecting 1/f-noise with the self-similar scale-invariant ‘fractal’ properties in space, hence reflecting two sides of a coin, the so-called self-organized critical state. The basic idea is that dynamical systems with many degrees of freedom operate persistently far from equilibrium at or near a threshold of stability at the border of chaos. Temporal fluctuations which cannot be explained as consequences of statistically independent random events are found in a variety of physical and biological phenomena. The fluctuations of these systems can be characterized by a power spectrum density S(f) decaying as f−b at low frequencies with an exponent b<1.5. We present a new approach to describe the individual biorhythm of humans using data from a colleague who has kept daily records for two years of his state of well-being applying a fifty-point magnitude category scale. This time series was described as a point process by introducing two discriminating rating levels R for the occurrence of R≥40 and R≤10. For b<1 a new method to estimate the low frequency part of S(f) was applied using counting statistics without applying Fast Fourier Transform. The method applied reliably discriminates these types of fluctuations from a random point process, with b=0.0. It is very tempting to speculate that the neural mechanisms at various levels of the nervous system underlying the perception of different values of the subjective state of well-being, are expressions of a self-organized critical state.
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Alpaev, D. V., V. V. Serikov, D. V. Sitovich et O. E. Chernov. « Occupational disorders of diurnal biorhythms of locomotive crew workers ». Occupational Health and Industrial Ecology, no 1 (14 mars 2019) : 25–30. http://dx.doi.org/10.31089/1026-9428-2019-1-25-30.

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Introduction. Work of locomotive crew members (engine drivers and engine driver assistants) in railway transport is associated with exposure to complex of occupational hazards including psychoemotional stress and shiftwork (with night shifts) along with noise and vibration.Objective. To study influence of shift work (with irregular alternation of day and night shifts) on biorhythms disturbances in locomotive crew workers.Materials and methods. Polls, simulators of occupational activities with training complex «Cabin of engine driver EP1M», daily monitoring of blood pressure, statistic data processing by SPSS–20 software.Results. Findings are that 953 locomotive crew workers (94%) experienced sensations of temporary disorientation, slight dizziness, sleepiness, interpreted as monotony and sensor deprivation. 61% of the examinees demonstrated frustration signs, in 30% of the cases there were certain manifestations of mental ill-being — irritability, fatigue, weariness, absent-mindedness, anxiety; 27.2% of the testees experiences various sleep disorders; 13.8% of the workers complained of «light sleep», 2% of those — restless sleep, 0.6% — sleeplessness. In occupationally related biorhythms disturbance, the body undergoes occupational adaptation, with partial transformation for atypical schedule of sleep and wakefulness.Results. To preserve health, efforts should be aimed at adaptation to shifted occupational activities with safe adaptogenic medications, low-caloric diet for individuals working at irregular shifts, create conditions for adequate physical activity of the workers between shifts. Necessities also are individual norms for blood pressure parameters in engine drivers with night shiftwork, specification of antihypertensive treatment for patients with irregular shifted work.
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Cheprakov, M. I., D. Yu Nokhrin et M. S. Shlyapnikova. « Seasonal Biorhythms in Captive Voles Microtus rossiaemeridionalis Ognev, 1924 ». Russian Journal of Ecology 35, no 6 (novembre 2004) : 424–25. http://dx.doi.org/10.1023/b:ruse.0000046982.39955.07.

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Kumar, K., M. Srivastava et S. K. Mandal. « A Multivariate Method for the Parameter Estimation in Biorhythms ». Biometrical Journal 34, no 8 (1992) : 911–17. http://dx.doi.org/10.1002/bimj.4710340803.

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Chernikova, A. E., et Yu P. Potekhina. « Correlation between certain rhythms of the body in osteopathic patients ». Russian Osteopathic Journal, no 3-4 (11 février 2020) : 7–14. http://dx.doi.org/10.32885/2220-0975-2019-3-4-7-14.

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Introduction. The time organization of the body is a set of biorhythms that have different periods, but are consistent with each other over time. Any pathology is an inconsistency of rhythms in the body. To date, the problem of the relationship between different rhythms of the human body is poorly studied. The largest number of publications is devoted to the connection between respiratory and heart rhythms. The goal of research — to identify the correlation between some rhythms of the body in osteopathic patients and the effect of osteopathic correction (OC) on them.Materials and methods. 100 patients of an osteopathic physician aged 8 to 81 years were examined (37 men and 63 women). All patients underwent a general osteopathic examination. The frequency of the cranial rhythm, the respiration rate (RR), the heart rate (HR), the neural process mobility (NPM) and the «connective tissue motility» were assessed before and after the OC session. Statistical processing of the results was carried out using nonparametric methods and the Statistica 10.0 program. The correlation coeffi cient between the frequencies of different rhythms was calculated by the Spearman method.Results. On the whole, only one statistically signifi cant correlation was found in the group of examined patients — between RR and NPM (r =–0,33, p<0,05). After OC, the number of statistically signifi cant connections increased, which may indicate a benefi cial effect of OC on the rhythmic integrity of the patient′s body. In the group of children (8–15 years old) and young people (18–34 years old), three correlations between rhythms that can be considered as «normal» were revealed: negative correlation link between heart rate and PNP (r =–0,36, p<0,05), negative correlation link between HR and NPM (r =–0,58, p<0,05), positive correlation link between HR and RR (r =0,68, p<0,05). With age, these correlation links decrease, which can be explained by the alteration of regulatory processes and increase of desynchronosis. The higher is the level of dominant somatic dysfunction (local–regional–global), the lower are statistically signifi cant correlations between biorhythms. This means that the severity of desynchronosis increases. In global somatic dysfunctions and regional somatic dysfunctions of the head and dura mater there are no correlations between biorhythms, i. e. the most pronounced desynchronosis is observed in these groups of patients.Conclusion. The correlation between some rhythms of the body in osteopathic patients was studied. The most pronounced desynchronosis is observed in global somatic dysfunctions and in regional somatic dysfunctions of the head and dura mater. After OC, the number of statistically signifi cant links between biorhythms increased.
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Prokopchook, V. S., et A. V. Lyckbäck. « Basis of the general theory of pathology (Part 2. Pathogenesis of chronic diseases) ». Likarska sprava, no 1-2 (12 août 2018) : 3–10. http://dx.doi.org/10.31640/jvd.1-2.2018(01).

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The authors believe that, despite of the endless variety of pathology, there is a single stereotyped pathogenetic mechanism for all chronic diseases. This mechanism doesn't dependent on a cause of an illness. If unnumbered etiological factors have a direct link to a damage of a certain number of cells (structures) of the target organ, then a disease, as a reaction to this damage, aims to restore the structure and function of the damaged organ. However a new pathogenetic mechanism arises in the course of a disease. This mechanism is based on energy deficiency. It arises due to violations of biorhythms of a remaining tissue. The violations of biorhythms in their turn are based on deviations from the law of «optimal construction». This mechanism destroys the remaining tissue that haven't been damaged by etiological factors. A "separation" of a disease from an etiologic factor occurs. A disease continues its course even without external damaging factors. Consequently a treatment of chronic diseases requires a fundamentally different approach than etiotropic therapy. Until now only an empirically obtained experience of non-specific treatment has been used. Therefore all existing therapy requires a fundamental revision.
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Nalbantgil, İstemi. « Biorhythms And Their Effects On Therapy in Cases With Hypertension ». Journal of Tepecik Education and Research Hospital 5, no 2 (1995) : 126–29. http://dx.doi.org/10.5222/terh.1995.52824.

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Barkova, E. N., K. A. Lebedeva et E. P. Ashikhmina. « Erythropoiesis and iron metabolism biorhythms in children with chronic pyelonephritis ». Bulletin of Experimental Biology and Medicine 146, no 3 (septembre 2008) : 297–300. http://dx.doi.org/10.1007/s10517-008-0274-4.

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Dowling, Michael, et Brian M. Lucey. « Weather, biorhythms, beliefs and stock returns—Some preliminary Irish evidence ». International Review of Financial Analysis 14, no 3 (janvier 2005) : 337–55. http://dx.doi.org/10.1016/j.irfa.2004.10.003.

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Khetagorova, L. G., et Yu A. Romanov. « Effect of phytoadaptogens on biorhythms of hemostasis parameters in dogs ». Bulletin of Experimental Biology and Medicine 113, no 1 (janvier 1992) : 127–29. http://dx.doi.org/10.1007/bf00787766.

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Kanikowska, Dominika, Maki Sato et Janusz Witowski. « Contribution of daily and seasonal biorhythms to obesity in humans ». International Journal of Biometeorology 59, no 4 (18 juillet 2014) : 377–84. http://dx.doi.org/10.1007/s00484-014-0871-z.

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Bashkireva, Tatiana, Anastasia Bashkireva, Sergey Chibisov, Alexander Severin, Alexander Morozov et Nadezhda Fateeva. « Assessment of driver biorhythms as a factor of labor safety ». E3S Web of Conferences 164 (2020) : 03029. http://dx.doi.org/10.1051/e3sconf/202016403029.

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The paper provides a biorhythmological assessment of the health of a driver’s team in conditions of joint activity in terms of heart rate variability. Measurements were taken during the working day using Holter monitoring in AnnaFlash2000 software and statistical processing ISCIM6. The cardiogram of the heart was recorded during the working day from 8.00 to 18.00 hours. It was revealed that the rhythmic processes of acrophase and heart rate bathyphase, which testify to the leading role of hypoxia, hypercapnia and desynchronosis of ultradian rhythms, influence the joint professional activity of drillers. The examined drivers found a violation of the synchronization of biological rhythms and desynchronosis at various levels of regulation of heart rhythm regulation. Both drivers, working in different biological rhythms, have a low degree of compatibility and belong to the group of production risk, which negatively affects occupational safety.
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