Influence of Speech Rate on Auditory Recognition in Cochlear Implant Users.

IF 1.6 4区医学 Q2 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY Audiology and Neuro-Otology Pub Date : 2024-05-20 DOI:10.1159/000539298

Aline Faria de Sousa, Lucas Bevilacqua Alves da Costa, Maristela Julio Costa, Rubens V Brito Neto

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Abstract

Introduction: This study aimed to verify the influence of speech stimulus presentation and speed on auditory recognition in cochlear implant (CI) users with poorer performance.

Methods: The cross-sectional observational study applied auditory speech perception tests to fifteen adults, using three different ways of presenting the stimulus, in the absence of competitive noise: monitored live voice (MLV); recorded speech at typical speed (RSTS); recorded speech at slow speed (RSSS). The scores were assessed using the Percent Sentence Recognition Index (PSRI). The data were inferentially analysed using the Friedman and Wilcoxon tests with a 95% confidence interval and 5% significance level (p < 0.05).

Results: The mean age was 41.1 years, the mean duration of CI use was 11.4 years, and the mean hearing threshold was 29.7 ± 5.9 dBHL. Test performance, as determined by the PSRI, was MLV = 42.4 ± 17.9%; RSTS = 20.3 ± 14.3%; RSSS = 40.6 ± 20.7%. There was a significant difference identified for RSTS compared to MLV and RSSS.

Conclusion: The way the stimulus is presented and the speed at which it is presented enable greater auditory speech recognition in CI users, thus favouring comprehension when the tests are applied in the MLV and RSSS modalities.

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语速对人工耳蜗用户听觉识别的影响。

内容简介本研究旨在验证语音刺激的呈现方式和速度对听觉识别能力较差的人工耳蜗（CI）使用者的影响：这项横断面观察研究对 15 名成年人进行了听觉语言感知测试，在没有竞争性噪音的情况下，使用了三种不同的刺激呈现方式：监听现场语音（MLV）；典型语速录音语音（RSTS）；慢速录音语音（RSSS）。得分采用百分比句子识别指数（PSRI）进行评估。数据采用弗里德曼检验和威尔科克森检验进行推断分析，置信区间为 95%，显著性水平为 5%（p<0.05）：平均年龄为 41.1 岁，使用 CI 的平均时间为 11.4 年，平均听阈为 29.7 ± 5.9 dBHL。通过 PSRI 测定的测试成绩为MLV=42.4±17.9%；RSTS=20.3±14.3%；RSSS=40.6±20.7%。与 MLV 和 RSSS 相比，RSTS 有明显差异：结论：刺激的呈现方式和呈现速度可提高 CI 使用者的听觉语音识别能力，因此在使用 MLV 和 RSSS 模式进行测试时有利于理解。

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来源期刊

Audiology and Neuro-Otology 医学-耳鼻喉科学

CiteScore

3.20

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： ''Audiology and Neurotology'' provides a forum for the publication of the most-advanced and rigorous scientific research related to the basic science and clinical aspects of the auditory and vestibular system and diseases of the ear. This journal seeks submission of cutting edge research opening up new and innovative fields of study that may improve our understanding and treatment of patients with disorders of the auditory and vestibular systems, their central connections and their perception in the central nervous system. In addition to original papers the journal also offers invited review articles on current topics written by leading experts in the field. The journal is of primary importance for all scientists and practitioners interested in audiology, otology and neurotology, auditory neurosciences and related disciplines.