INFLUENCE OF VESTIBULAR LOAD ON PSYCHOMOTOR FEATURES OF YOUNG PEOPLE
DOI:
https://doi.org/10.11603/1811-2471.2019.v.i4.10791Keywords:
psychomotor reactions, power of nervous processes, hypersensitivity, vestibular analyzerAbstract
Psychomotor responses and complex integrative interactions of the motor nuclei of the central nervous system provide motor activity. Therefore, the orderliness of movements in time and space is widely studied in psychophysiology, physiology of sports and physiology of work. This makes it extremely important to further study the features of psychomotor indicators in the irritation of the vestibular analyzer in individuals with increased vestibular sensitivity.
The aim of the study – to evaluate the influence of vestibular load on psychomotor features of persons with hypersensitivity of the vestibular analyzer.
Material and Methods. Vestibular sensitivity was determined using questionnaires. Psychomotor scores were determined using the Diagnost-1M computer system in tepping-test mode before and after vestibular loading. The rotational test was performed on a Barany chair. The assessment of the strength of nerve processes was performed according to the classification by E. P. Ilyin.
Results. We found that 44 % of people with hypersensitivity were dominated by a medium-weak nervous system. In them, after vestibular loading, the maximum speed of movement of the hand decreases during the test. Since tepping testing is important for the diagnosis of the functional state of the central nervous system, and our results reveal signs of physical fatigue in people with increased vestibular sensitivity under the influence of vestibular load, this is an important basis for the further prevention and correction of appropriate conditions, and the choice of optimal conditions of such persons.
Conclusions. Analysis of the strength of nerve processes in persons with increased sensitivity of the vestibular analyzer showed that a significant drop in performance is observed in the second half of the test, which is a consequence of the occurrence of extrinsic inhibition in the nerve centers. Persons with a strong nervous system are characterized by a low level of sensitivity of the analyzers, and, conversely, a weak nervous system is characterized by high sensitivity.
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