AGE-DEPENDENT CHARACTERISTICS OF VESTIBULAR ANALYZER FUNCTION IN HEALTHY PERSONS ACCORDING TO THE DATA OF ELECTROPHYSIOLOGIC INVESTIGATIONS
Keywords:
vestibular apparatus, oculogram, otolith reaction, vestibular apparatusAbstract
This article is devoted to age-related changes in the vestibular apparatus. The data on age-related changes in the functions of the vestibular apparatus are few and very controversial. So far it is not possible to obtain a holistic idea of age-related features of both separate groups of receptors of the peripheral and central parts of the vestibular analyzer and the nature of changes in the resistance of the aging organism to vestibular load using separate, mostly unsystematized, experimental data. The level of steady response of the otolith department of the vestibular analyzer to rectilinear, alternating, and attenuating stimuli also decreased with age. This was indicated by the increase in the absolute value of the index of asymmetry of otolith reaction, calculated for utriculus and sacculus by the maximum and average amplitude of oculogram waves. Vestibular responses were investigated in 176 individuals aged 14 to 90 years.
Some vestibular phenomena are noted in elderly and senile persons. The endurance of the organism to vestibular load decreased with weakening of vestibular reactions and decreased reactivity of central and peripheral parts of the vestibular analyzer.
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