Speech perception in individuals with auditory neuropathy.
Speech perception in individuals with auditory neuropathy.
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DOI：
10.1044/1092-4388(2006/029
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发表时间：
2006-04
期刊：
影响因子：
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通讯作者：
Fan-Gang Zeng;Sheng Liu
中科院分区：
文献类型：
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作者：
Fan-Gang Zeng;Sheng Liu
目的 对听神经病 (AN) 患者的言语感知进行系统研究，以回答以下两个问题：噪声是否会给 AN 患者带来特殊问题？清晰言语和人工耳蜗可以缓解这个问题吗？方法 研究人员评估了 13 名 AN 参与者的清晰语音相对于对话语音的清晰度优势。在这些参与者中，有 7 人接受了人工耳蜗植入。进行了八个句子识别实验，以使用 4 种刺激模式（单耳声学、双耳声学、单耳电学和双耳声电刺激组合）检查 2 种听力条件（安静和噪声）下的清晰语音优势。结果 患有 AN 的参与者在噪声中的语音识别能力比听力正常、耳蜗受损和人工耳蜗植入对照组的表现更差。观察到显着的清晰语音优势，在所有聆听条件和刺激模式下，清晰度提高了 9 至 23 个百分点。在安静和噪音环境下，通过人工耳蜗进行的电刺激所产生的清晰度明显高于声刺激。在安静环境下，双耳听力无论是双耳声刺激还是声电刺激相结合，都比单耳刺激产生更高的清晰度，但在噪音中则不然。结论 患有 AN 的参与者最有可能从清晰语音的时间特性增强和电刺激神经同步的改善中获得清晰的语音优势。尽管目前的结果支持人工耳蜗植入作为 AN 患者的一种治疗选择，但它表明使用创新助听器可能是改善噪声中言语感知的另一种可行选择。
PURPOSE Speech perception in participants with auditory neuropathy (AN) was systematically studied to answer the following 2 questions: Does noise present a particular problem for people with AN? Can clear speech and cochlear implants alleviate this problem? METHOD The researchers evaluated the advantage in intelligibility of clear speech over conversational speech in 13 participants with AN. Of these participants, 7 had received a cochlear implant. Eight sentence-recognition experiments were conducted to examine the clear speech advantage in 2 listening conditions (quiet and noise) using 4 stimulation modes (monaural acoustic, diotic acoustic, monaural electric, and binaurally combined acoustic and electric stimulation). RESULTS Participants with AN performed more poorly in speech recognition in noise than did the normal-hearing, cochlear-impaired, and cochlear implant controls. A significant clear speech advantage was observed, ranging from 9 to 23 percentage points in intelligibility for all listening conditions and stimulation modes. Electric stimulation via a cochlear implant produced significantly higher intelligibility than acoustic stimulation in both quiet and in noise. Binaural hearing with either diotic acoustic stimulation or combined acoustic and electric stimulation produced significantly higher intelligibility than monaural stimulation in quiet but not in noise. CONCLUSIONS Participants with AN most likely derive the clear speech advantage from enhanced temporal properties in clear speech and improved neural synchrony with electric stimulation. Although the present result supports cochlear implantation as one treatment choice for people with AN, it suggests that the use of innovative hearing aids may be another viable option to improve speech perception in noise.