Effects of monaural sound stimulation on subjective visual vertical.

IF 2.9 3区医学 Q2 NEUROSCIENCES Journal of Vestibular Research-Equilibrium & Orientation Pub Date : 2024-08-20 DOI:10.3233/VES-240044

Takako Yokoyama, Koji Takahashi, Yosuke Kudo, Takashi Jono, Ken Johkura

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Abstract

Background: Sound stimulation can influence electrophysiological vestibular reflexes. However, the effects of sound stimulation on space perception remain unknown.

Objective: To know the effects of monaural sound stimulation on subjective visual vertical (SVV).

Methods: We measured SVV with and without monaural sound stimulation (105 dB, 500 Hz short tone burst presented at 4.7 Hz) in 50 healthy volunteers (aged 20-77 [mean = 42.7] years).

Results: The mean SVV was deviated 0.139° to the left by right monaural sound stimulation and 0.123° to the right by left monaural sound stimulation. SVV changes due to right and left ear stimulations were significantly different (p = 0.019). Sound stimulation resulted in a significant change in SVV on the left side (p = 0.014) in participants aged 50 or younger (mean = 35.6 years) (n = 37).

Conclusions: This study is the first to show the possibility that the monaural sound input deviates the SVV toward the opposite side and is more pronounced for left-ear input. The vestibular-evoked myogenic potential responses may be involved in the mechanism of the contralateral SVV deviation due to sound input.

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单声道声音刺激对主观视觉垂直度的影响

背景：声音刺激可影响电生理前庭反射。目的：了解单声道声音刺激对主观视觉垂直度（SVV）的影响：目的：了解单声道声音刺激对主观视觉垂直度（SVV）的影响：方法：我们测量了 50 名健康志愿者（年龄 20-77 [平均 = 42.7]岁）在接受和未接受单耳声音刺激（105 dB、500 Hz 短音脉冲以 4.7 Hz 频率呈现）时的 SVV：右侧单耳声音刺激导致平均 SVV 向左偏移 0.139°，左侧单耳声音刺激导致平均 SVV 向右偏移 0.123°。左右耳刺激导致的 SVV 变化有显著差异（p = 0.019）。在 50 岁或 50 岁以下（平均值 = 35.6 岁）的参与者（n = 37）中，声音刺激会导致左侧 SVV 发生显著变化（p = 0.014）：这项研究首次表明，单耳声音输入可能会使 SVV 向对侧偏移，而且左耳输入的 SVV 更明显。前庭诱发的肌源性电位反应可能参与了声音输入导致对侧 SVV 偏离的机制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Vestibular Research-Equilibrium & Orientation 医学-耳鼻喉科学

CiteScore

5.00

自引率

4.30%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Vestibular Research is a peer-reviewed journal that publishes experimental and observational studies, review papers, and theoretical papers based on current knowledge of the vestibular system. Subjects of the studies can include experimental animals, normal humans, and humans with vestibular or other related disorders. Study topics can include the following: Anatomy of the vestibular system, including vestibulo-ocular, vestibulo-spinal, and vestibulo-autonomic pathways Balance disorders Neurochemistry and neuropharmacology of balance, both at the systems and single neuron level Neurophysiology of balance, including the vestibular, ocular motor, autonomic, and postural control systems Psychophysics of spatial orientation Space and motion sickness Vestibular rehabilitation Vestibular-related human performance in various environments

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