PHYSIOLOGICAL AND PSYCHOSOMATIC EFFECTS OF HELIO- GEOMAGNETIC AND METEOTROPIC INFLUENCES IN PERSONS LIVING IN THE POLAR REGION.
Rozhkov V. P.1, Belisheva N.K.2, Martynova A.A.2, Pryanichnikov S.V.2, Bekshaev S. S1., Soroko S.I.1
1I. M. Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences, St.-Petersburg, Russia; Kola Science Center of Russian Academy of Sciences, Apatity, Russia; email@example.com We investigated the combined and "isolated" influence of natural factors (helio-and geomagnetic activity, a lunar cycle, weather conditions) on physiological and psychosomatic indices in 12 clinically healthy men at the age of 19-37 years, inhabitants of Apatity. Registration of psychophysiological parameters was carried out within 25 days from 24.09 to 18.10 2012. We estimated indicators of the state of health, activity and mood (questionnaire "health-activity-mood", HAM), state-trait anxiety (by Spielberger-Khanin). Regulation of cardiovascular system and hemodynamics was studied according to data of the heart rate variability (HRV) and the arterial pressure (AP). EEG in 8 derivations and data of the complex visual - motor reaction (CVMR) were used as indicators of a functional state of CNS. The received estimates were compared with indices of geomagnetic activity (GMA) and solar activity (http://www.swpc.noaa.gov/), a lunar cycle and meteorological data. The method of multiple regression was used.
The period of investigations was characterized by two maxima of the Sun activity (flashes of M1-M2 of a class) and fluctuations of GMA indices from zero level to level G2-3. Modulating influence of 4 groups of physical factors on analyzed psychosomatic and physiological indicators is revealed in each of the men. The tendency to rise systolic AD appeared at increase of GMA, and diastolic AD increased with a growth of solar activity. The total number of errors at CVMR was minimum at "moderate" levels and maximal at the lowest levels of solar activity. Individual features were related to opposite directed changes of psychosomatic (HAM) or psychophysiological (CVMR) indicators, and also to various level of sensitivity under influence of the same natural factors. The share of dispersion of the dependent variable that was explained with model of linear multiple regression (environment factors were used as predictors), amounted in 5 examinees on separate indicators of CVMR to 70-80%, whereas by estimates HAM reached 80-90%. Results testify to possibility of the effective forecast of psychophysiological reactions to influence of heliogeophysical and meteotropic agents taking into account specific features of the central regulatory mechanisms and intersystem interactions of physiological processes in an organism.