11/25/2023 0 Comments Readcube papers accountOne of the most common postural threats is exposure to height by elevating the surface on which individuals stand. In research, various challenging situations as postural threats are used to examine how dynamic changes in the environment affect balance control ( Brown and Frank, 1997 Carpenter et al., 2004 Davis et al., 2011 Osler et al., 2013 Cleworth et al., 2016 Horslen et al., 2018 Peterson et al., 2018 Cesari et al., 2022). Maintaining upright stance requires accurate integration of visual, proprioceptive and vestibular sensory information since the sensory signals are continuously reweighted based on their reliability and specificity ( Peterka, 2002 Assländer and Peterka, 2014). In everyday life, we need to move and interact with the environment, for which a correct postural control is an essential demand. Our findings demonstrate that the assessment of postural behavior during threatening situations in the virtual reality environment provides valuable insights into the mechanisms of balance control and may be used to develop novel strategies aimed at prevention of falls. This group difference was evident already at ground level but further increased during virtual height exposure.ĭiscussion: Our data show that fear of height significantly affects posture adaptation to balance-destabilizing events. Results: Under such condition of enhanced postural threat, individuals with intense fear of heights showed stronger stiffening of posture compared with individuals with low fear of heights who react more flexibly and adaptively to posture destabilization. Methods: In 40 young individuals with varying fear of heights, we combined simulated exposure to height in a virtual reality environment with bilateral vibration of tibialis anterior muscles which evokes posture destabilization (the so-called vibration-induced falling). To get more insight on the role of fear in balance control at height, we explored the dynamics of postural behavior in the situation of enhanced threat of potential balance loss. The ability to maintain balance in such conditions requires properly resolving sensory conflicts and is influenced by fear. Introduction: Standing upright at height is a challenging situation involving intense threat of balance loss and fall. 3Department of Psychiatry, Faculty of Medicine, Slovak Medical University in Bratislava, Bratislava, Slovakia.2Department of Applied Informatics, Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava, Bratislava, Slovakia.1Department of Behavioural Neuroscience, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovakia. You may find that you can only access databases like Web of Science or Scopus through Papers when you are on the MSU campus and using MSU campus IP ranges.Diana Bzdúšková 1 † Martin Marko 1,2 † Zuzana Hirjaková 1 † Igor Riečanský 1,3 † Jana Kimijanová 1 * †.Papers works easily to download PDFs and articles from free web sites like PubMed and Google Scholar.They also have videos in a training center.
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