双耳融合在单侧聋耳道植入物使用者的双耳融合
Lucrèce de Villars1, John J Galvin2,3, Qian-Jie Fu3,4
1CHRU de Tours, service ORL et Chirurgie Cervico-Faciale, 2 boulevard Tonnellé, Tours 37044, France.
Cochlear implants international
|July 25, 2025
概括
单侧聋 (SSD) 耳植入物 (CI) 患者表现出有限的双耳融合,影响空间感知. 这项研究强调了SSD CI用户的听觉图像感知和声音定位的变化.
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.
- 生物医学工程 生物医学工程
背景情况:
- 单侧耳聋 (SSD) 耳植入物 (CI) 用户经常遇到空间听力方面的挑战.
- 这种困难可能源于声学和电气听觉信号之间的融合受损.
研究的目的:
- 调查成人SSDCI患者双耳融合的程度.
- 了解声学和电学听力如何相互作用,从而产生空间感知.
主要方法:
- 八名成年SSDCI患者被评估为双耳融合.
- 参与者在虚拟环境中使用语音和非语音刺激评估了听觉图像 (一对二),声音扩散度和声音横向化.
主要成果:
- 双耳融合在参与者之间具有很高的变化,单一的听觉图像只能在40.23%的时间内被感知.
- 根据刺激类型 (单词/环境声音与句子/音调) 的声音扩散度有显著差异.
- 当听到一个图像时,感知到的听觉图像通常是中央侧向的,当感知到两个图像时,则广泛分布.
结论:
- 与双边CI用户相比,SSDCI用户的双耳融合能力明显较低.
- 潜在的促成因素包括声电刺激模式的差异和耳间频率不匹配.
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