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在多发性硬化症中,中间橄耳耳效应对语音对噪音的歧视的影响

Asuman Küçüköner¹, Ömer Küçüköner², Abdulkadir Özgür³

¹Vocational School of Health Services, Ondokuz Mayis University, Samsun, Turkey.

|January 9, 2025

概括

多发性硬化症患者在噪音中表现出语音分辨能力受损,与中介性橄耳耳反射功能的降低有关. 综合的听觉和认知评估对于诊断MS患者的听力障碍至关重要.

科学领域:

听力学听力学是指听力学.
神经科学是一个神经科学.
语音语言病理学语音语言病理学

背景情况:

患有多发性硬化症 (MS) 的患者经常在杂的环境中表现出语音理解困难,尽管保持正常听力值.
这些听觉挑战可以显著影响MS患者的沟通和生活质量.

研究的目的:

研究MS患者的语音对噪音 (SDN) 能力的区分和中介性橄耳 (MOC) 反应的功能之间的关系.
为了比较MS患者和健康对照者之间的MOC反射水平和SDN表现.

主要方法:

在30名多发性硬化患者和30名听力正常的健康对照群中,测量了带有和没有逆侧噪声的扭曲产品耳声排放 (DPOAEs).
语音区分测试,符号数字模式测试 (SDMT) 和蒙特利尔认知评估 (MoCA) 被用于评估听觉和认知功能.

主要成果:

与对照组相比,多发性硬化患者在8000 Hz时显示出显著较低的DPOAE信号噪声比,并且在特定频率下减少了MOC反射抑制.
在对照组中观察到SDN得分和MOC反射抑制之间的正相关性,但在MS组中没有.
多发性硬化患者在认知评估 (MoCA和SDMT) 上的得分较低,较低的MoCA得分与减少的MOC反射抑制相关.

结论:

多发性硬化与听觉处理受损有关,特别是在噪音中的语音歧视中,与MOC反射功能障碍有关.
多发性硬化患者的认知缺陷也可能与听觉处理的改变有关.
彻底的听觉和认知评估对于识别和管理多发性硬化症患者的听觉感知障碍至关重要.

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相关概念视频

Hearing

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.

The Cochlea

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.