Comparison of sound localisation ability in bimodal versus bilateral cochlear implant users.

IF 0.8 4区医学 Q3 OTORHINOLARYNGOLOGY

Journal of Laryngology and Otology Pub Date : 2025-06-16 DOI:10.1017/S0022215125102557

Y Long, W Wang, J Liu, Y Liu, S Gong

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引用次数: 0

Abstract

Objective: To compare the sound localisation abilities of bimodal cochlear implant and bilateral cochlear implant users.

Methods: A horizontal sound source discrimination task was conducted with 44 and 20 bimodal and bilateral cochlear implant users, respectively. Paired and two-sample t-tests were performed for paired and unpaired data, respectively.

Results: The root mean square error scores of the bimodal cochlear implant and bilateral cochlear implant users were 75.77 ± 10.49° and 54.39 ± 19.82°, respectively. The bilateral cochlear implant users' root mean square error score was significantly better than that of the bimodal cochlear implant users (t = 5.65, p < 0.001). The root mean square error scores of bimodal cochlear implant users with good and poor low-frequency hearing were 75.45 ± 11.07° and 76.10 ± 10.14°, respectively, with no significant intergroup difference (t = 0.20, p = 0.84).

Conclusion: Bilateral cochlear implantation may be more helpful for sound localisation in patients with bilateral sensorineural hearing loss. The better low-frequency hearing threshold of the non-implanted ears did not result in better sound localisation ability in bimodal cochlear implant users.

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双侧与双侧人工耳蜗使用者声音定位能力的比较。

目的：比较双侧和双侧人工耳蜗使用者的声音定位能力。方法：对44名和20名双侧和双侧人工耳蜗使用者分别进行水平声源识别任务。配对和非配对数据分别进行配对和双样本t检验。结果：双侧人工耳蜗使用者和双侧人工耳蜗使用者的均方根误差评分分别为75.77±10.49°和54.39±19.82°。双侧人工耳蜗使用者的均方根误差评分显著优于双侧人工耳蜗使用者（t = 5.65, p < 0.001）。双模人工耳蜗使用者低频听力良好和较差的均方根误差评分分别为75.45±11.07°和76.10±10.14°，组间差异无统计学意义（t = 0.20, p = 0.84）。结论：双侧人工耳蜗植入术对双侧感音神经性听力损失患者的声音定位更有帮助。双模人工耳蜗使用者较好的低频听力阈值并未导致较好的声音定位能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Laryngology and Otology 医学-耳鼻喉科学

CiteScore

3.20

自引率

11.80%

发文量

593

审稿时长

3-6 weeks

期刊介绍： The Journal of Laryngology & Otology (JLO) is a leading, monthly journal containing original scientific articles and clinical records in otology, rhinology, laryngology and related specialties. Founded in 1887, JLO is absorbing reading for ENT specialists and trainees. The journal has an international outlook with contributions from around the world, relevant to all specialists in this area regardless of the country in which they practise. JLO contains main articles (original, review and historical), case reports and short reports as well as radiology, pathology or oncology in focus, a selection of abstracts, book reviews, letters to the editor, general notes and calendar, operative surgery techniques, and occasional supplements. It is fully illustrated and has become a definitive reference source in this fast-moving subject area. Published monthly an annual subscription is excellent value for money. Included in the subscription is access to the JLO interactive web site with searchable abstract database of the journal archive back to 1887.