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7 result(s) for "Pravda, O."
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Media trust during the COVID-19 pandemic in Ukraine
IntroductionThe worldwide pandemic exacerbated the new role of the media.If previously the discussion was on whether new or traditional media had primacy in popularity and exposure, nowadays the question is whether communicating health issues through social and traditional media leads to understanding their content better and to more trust in both types of media.ObjectivesWe set the following objectives for this study:(1) to examine trust in the traditional and new media among university students,(2) according to the level of media trust to compose a psychological portrait,establish the most prevalent coping strategies,and emotional reactions to the pandemic.Methods213 university students (55.9% women,Mage=19 years) were tested from December 2020-March 2021.We examined the attitude towards information on coronavirus presented in the media and to investigate the level of severity of neurotic states,the level of psychological stress,and basic coping strategies used by respondents.Resultsshowed that although students generally prefer to use Internet news, trust in traditional media increased during the pandemic. We examined a general psychological portrait of young people derived from trust in the media. In the group of students who trust media information, we found indifference (39% of respondents) and helplessness (24.4%). In the group convinced that the media are hiding the actual state of affairs, anger prevailed (32.4%). The third group, confident that the media exaggerate everything, experienced indifference and anger (38.5% and 32.7%, respectively).ConclusionsWe may conclude that desire to learn more accurate and unbiased information firsthand indicates students’ attitude towards traditional media as more reliable sources of information.DisclosureNo significant relationships.
Non-invasive vagus nerve stimulation attenuates the burnout
IntroductionVagus nerve stimulation produces therapeutic effects for the treatment of psychiatric disorders, heart failure, and others.ObjectivesThe aim of the current study was to evaluate the effects of the non-invasive vagus nerve stimulation on emotional burnout.Methods6 right-handed male volunteers aged 18-22 years participated in study. We used the combination of pleasant meditative classical music and a slow bi-polar wave (0.1-0.2 Hz) of electrical non-invasive transcutaneous auricular vagus nerve stimulation for 5 minutes. The set of 4 VNS was performed at intervals of 3 days. EEG was registered during the rest state (3 min, closed eyes condition). To measure the severity of emotional burnout in students, we used the 22-item Maslach Burnout Inventory (MBI).ResultsVNS significantly improve the depersonalization and reduction of personal achievements (components of the emotional burnout). Changes in the psychoemotional state of the respondents were accompanied by the increase in the theta-Fz/alpha-Pz ratio, that reflects an enhancement of the activation level. A set of non-invasive stimulation of the auricular branch of the vagus nerve leads to an increase in the level of activation (the ratio of beta / alpha rhythms). The changes in the power of the alpha rhythm may relate to improving of mental process, creativity, creative thinking. An increase in alpha rhythm may reflect internally oriented attention in creative activities.ConclusionsThe preliminary data suggests that the novel mastoid stimulation device may have a prolonged stimulating effect on the brain processes while attenuating the burnout at the same time.DisclosureNo significant relationships.
Conspicuous synovial lymphatic capillaries in juvenile idiopathic arthritis synovitis with rice bodies
Scale bars = 100 μm. Kuhns presented a detailed morphological study of lymphatic drainage of synovial joints in rabbits. 2 He discovered that inflammation in the synovial tissue decreased the ability of LC to absorb material larger than that of molecular size and presumed that persistent inflammation was, to a certain extent, dependent on the non-functioning of the lymphatic vessels. Recently, in rheumatoid arthritic synovium, debris and cells were seen inside the lumina of LC and, moreover, endothelial microvalves were visualised in the walls of the LC by transmission electron microscopy. 4 Endothelial microvalves of LC probably have an important role in drainage of excessive tissue fluid, allowing cells and debris to be removed from SM connective tissue spaces into the lymph.
Curvature tensors on distorted Killing horizons and their algebraic classification
We consider generic static spacetimes with Killing horizons and study properties of curvature tensors in the horizon limit. It is determined that the Weyl, Ricci, Riemann and Einstein tensors are algebraically special and mutually aligned on the horizon. It is also pointed out that results obtained in the tetrad adjusted to a static observer in general differ from those obtained in a free-falling frame. This is connected to the fact that a static observer becomes null on the horizon. It is also shown that finiteness of the Kretschmann scalar on the horizon is compatible with the divergence of the Weyl component \\(\\Psi_{3}\\) or \\(\\Psi_{4}\\) in the freely falling frame. Furthermore finiteness of \\(\\Psi_{4}\\) is compatible with divergence of curvature invariants constructed from second derivatives of the Riemann tensor. We call the objects with finite Krestschmann scalar but infinite \\(\\Psi_{4}\\) ``truly naked black holes''. In the (ultra)extremal versions of these objects the structure of the Einstein tensor on the horizon changes due to extra terms as compared to the usual horizons, the null energy condition being violated at some portions of the horizon surface. The demand to rule out such divergencies leads to the constancy of the factor that governs the leading term in the asymptotics of the lapse function and in this sense represents a formal analog of the zeroth law of mechanics of non-extremal black holes. In doing so, all extra terms in the Einstein tensor automatically vanish.