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首页> 外文期刊>Trends in Hearing >The Relationship Between Spectral Modulation Detection and Speech Recognition: Adult Versus Pediatric Cochlear Implant Recipients
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The Relationship Between Spectral Modulation Detection and Speech Recognition: Adult Versus Pediatric Cochlear Implant Recipients

机译：频谱调制检测与语音识别之间的关系：成人与小儿人工耳蜗的接受者

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Adult cochlear implant (CI) recipients demonstrate a reliable relationship between spectral modulation detection and speech understanding. Prior studies documenting this relationship have focused on postlingually deafened adult CI recipients—leaving an open question regarding the relationship between spectral resolution and speech understanding for adults and children with prelingual onset of deafness. Here, we report CI performance on the measures of speech recognition and spectral modulation detection for 578 CI recipients including 477 postlingual adults, 65 prelingual adults, and 36 prelingual pediatric CI users. The results demonstrated a significant correlation between spectral modulation detection and various measures of speech understanding for 542 adult CI recipients. For 36 pediatric CI recipients, however, there was no significant correlation between spectral modulation detection and speech understanding in quiet or in noise nor was spectral modulation detection significantly correlated with listener age or age at implantation. These findings suggest that pediatric CI recipients might not depend upon spectral resolution for speech understanding in the same manner as adult CI recipients. It is possible that pediatric CI users are making use of different cues, such as those contained within the temporal envelope, to achieve high levels of speech understanding. Further investigation is warranted to investigate the relationship between spectral and temporal resolution and speech recognition to describe the underlying mechanisms driving peripheral auditory processing in pediatric CI users.
机译：成人人工耳蜗（CI）接收者证明了频谱调制检测和语音理解之间的可靠关系。先前记录这种关系的研究集中于耳聋后的成年CI接受者，这对于成人和患有耳聋的成年儿童的频谱分辨率和言语理解之间的关系尚待解决。在这里，我们报告了578名CI接收者的语音识别和频谱调制检测措施的CI性能，其中包括477名舌后成人，65名舌前成人和36名儿科CI用户。结果表明，在542位成年CI接收者的频谱调制检测与各种语音理解措施之间存在显着相关性。但是，对于36名儿科CI接受者，在安静或噪音环境中，频谱调制检测与语音理解之间没有显着相关性，频谱调制检测与收听者年龄或植入时的年龄也没有显着相关性。这些发现表明，小儿CI接受者可能不像成人CI接受者那样依赖频谱分辨率来进行语音理解。儿科CI用户可能会利用不同的提示（例如包含在时间包络中的提示）来实现高水平的语音理解。有必要进行进一步的调查，以调查频谱和时间分辨率与语音识别之间的关系，以描述驱动儿科CI用户外周听觉处理的潜在机制。

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