Comparing Cochlear Implant Users’ Speech Performance with Processor Fittings Based on Conventionally Determined T and C Levels or on Compound Action Potential Thresholds and Live-Voice Speech in a Prospective Balanced Crossover Study
Comparing Cochlear Implant Users’ Speech Performance with Processor Fittings Based on Conventionally Determined T and C Levels or on Compound Action Potential Thresholds and Live-Voice Speech in a Prospective Balanced Crossover Study
复制标题
在前瞻性平衡交叉研究中，根据传统确定的 T 和 C 水平或复合动作电位阈值和真人语音，比较人工耳蜗用户的语音性能与处理器配件
作者：
C. Willeboer;G. Smoorenburg
目的：本研究的目的是提高人工耳蜗处理器的拟合过程的效率，利用电诱发复合动作电位（ECAP）和现场语音的测量。设计图：在一项随机前瞻性交叉设计中，我们比较了18名成年受试者在遵循常规拟合程序时的言语表现，在该程序中，我们使用术中测量的整个电极阵列的ECAP阈值水平的曲线。轮廓的总体水平被移动（每个电极等量的电流单位），直到我们找到实况语音的阈值（新的T水平）和响度舒适水平（新的C水平）。每个拟合程序测试6周。每隔一周在安静和噪音中测量一次言语表现。结果如下：结果表明，传统的拟合程序和基于ECAP的拟合的分数（荷兰语CVC单词）之间的差异很小，尽管T和C水平可能有显着差异。结论：新的拟合程序在初始阶段更快、更容易。在拟合过程的稍后阶段中，可以通过基于主观响应改变一些单独的电极来获得性能的进一步改进。
Objective: The objective of the present study is to improve the efficiency of the fitting procedure of cochlear implant processors by making use of measurements of the electrically evoked compound actio potential (ECAP) and live-voice speech. Design: In a randomised prospective cross-over design we compare speech performance of eighteen adult subjects when following the conventional fitting procedure to a procedure in which we use the profile of the ECAP threshold levels across the full electrode array measured intra-operatively. The overall level of the profile is shifted (by an equal amount of current units per electrode) until we find the threshold for live speech (new T levels) and the loudness comfort level (new C levels). Each fitting procedure is tested for 6 wk. Speech performance is measured in quiet and in noise every other week. Results: The results show little difference between the scores (Dutch CVC words) for the conventional fitting procedure and the ECAP based fitting, although the T and C levels may differ markedly. Conclusion: The new fitting procedure is much faster and easier in the initial phase. Further improvement of performance may be obtained in a later stage of the fitting procedure by changing some individual electrodes on the basis of subjective responses.
DOI：
10.1044/jslhr.4204.814
发表时间：
1999-08
期刊：
Journal of speech, language, and hearing research : JSLHR
影响因子：
--
作者：
M. Skinner;L. Holden;T. Holden;M. Demorest
通讯作者：
M. Skinner;L. Holden;T. Holden;M. Demorest
影响因子：
2.4
作者：
BROWN, CJ;ABBAS, PJ
通讯作者：
ABBAS, PJ