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首页> 外文期刊>Experimental Brain Research >Different effects of head tilt on ocular vestibular-evoked myogenic potentials in response to bone-conducted vibration and air-conducted sound.
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Different effects of head tilt on ocular vestibular-evoked myogenic potentials in response to bone-conducted vibration and air-conducted sound.

机译：响应于骨传导的振动和空气传导的声音，头部倾斜对眼前庭诱发的肌源性电位的不同影响。

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摘要

The ocular vestibular-evoked myogenic potentials (oVEMPs) in response to air-conducted sound (ACS) and bone-conducted vibration (BCV) have recently been used to assess otolith-ocular pathways in humans. Although the oVEMPs to BCV are considered to reflect the function of the utricle and superior vestibular pathway, the pathway of the oVEMPs to ACS remains controversial. In this study, we compared the effect of different head positions in the roll plane on oVEMPs in response to BCV and ACS in 20 normal subjects. Head tilt in the roll plane significantly increased the asymmetry ratio of oVEMPs to BCV (p??0.6). These results suggest that oVEMPs to BCV reflect the activity of a different population of vestibular afferents to those which are active during oVEMPs to ACS.
机译：响应于空气传导声（ACS）和骨传导振动（BCV）的眼前庭诱发的肌原性电位（oVEMPs）最近已用于评估人类耳石-眼的通路。尽管oVEMPs到BCV被认为反映了尿道和上庭前庭通路的功能，但oVEMPs到ACS的通路仍存在争议。在这项研究中，我们比较了20名正常受试者对BCV和ACS做出反应的oVEMPs在侧倾平面上不同头部位置的影响。头部在侧倾平面上的倾斜显着增加了oVEMP与BCV的不对称比（p <0.01），但不影响oVEMP与ACS的不对称比。头部倾斜不影响oVEMP与BCV或ACS的潜伏期。在保持头部笔直向前的同时，在偏航平面中旋转身体不会影响oVEMP与BCV的不对称性（p≥0.6）。这些结果表明，oVEMPs对BCV的反应与前者在ACS的oVEMPs期间有活性的那些不同。

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