只是继续旋转吗? 听觉和体感线索对旋转椅测试的影响
Natalie Seidl1, Melissa Newell1, Alexander L Francis1
1Department of Speech, Language, and Hearing Sciences, Purdue University, West Lafayette, IN.
American journal of audiology
|June 19, 2024
概括
在旋转椅测试期间,像声音或触摸这样的现实感官线索不会改变前庭眼镜反射增益. 然而,精神参与,或任务,显著增加收益,无论暗示局部化.
科学领域:
- 垂体神经科学 垂体神经科学
- 人类感官感知是人类的感官感知.
- 眼运动功能 眼运动功能
背景情况:
- 前视眼反射 (VOR) 在头部运动时稳定了目光.
- 了解影响VOR增长的因素对于诊断和治疗前体障碍至关重要.
- 旋转椅测试 (RCT) 是评估VOR功能的标准临床方法.
研究的目的:
- 调查现实的听觉或体感空间线索是否会影响RCT中的VOR增强测量.
- 为了确定局部感官信息与心理任务对VOR收益的影响.
主要方法:
- 一个主题内设计,有30名年轻成年人 (18-30岁) 执行RCT.
- 在三种频率 (0.01,0.08,0.32 Hz) 上进行正弦波加速度测试.
- 五种条件包括沉默,听觉线索,体感官线索,以及用不同的空间信息进行心理任务.
主要成果:
- 旋转频率在所有条件下显著影响了VOR增益 (p < .05).
- 只有在比较带有和没有精神任务的条件时,才观察到VOR增益的显著差异.
- 后期等效测试证实,感官暗示条件之间没有显著差异.
结论:
- 外部可定位的听觉或体感线索在RCT中不会显著改变VOR收益.
- 精神参与 (任务) 显然增加了VOR收益,无论指示的空间定位如何.
- 这些发现突出了认知因素在调节VOR性能方面的作用.
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