Reading Abilities and Visual Evoked Potentials in Hearing-Impaired Children: A Comparative Study of Cochlear Implant and Hearing Aid Users.

IF 1.4 4区医学 Q2 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY

Audiology and Neuro-Otology Pub Date : 2026-07-24 DOI:10.1159/aud/abnag001

Erdem Emre Yilmaz, Selma Yılar, Işık Baltacı, Nurten Uzun Adatepe, Ahmet Atas

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Abstract

Background: This study aimed to evaluate reading comprehension skills, visual evoked potentials (VEP), and saccadic eye movements in hearing aid (HA) users, cochlear implant (CI) users, and individuals with normal hearing (NH), to investigate the relationship between sensory processing and reading ability.

Methods: The study included 45 participants, 15 HA users, 15 CI users and 15 NH. VEP, a saccadic test, and a reading comprehension test were performed. VEP recordings were conducted with and without the hearing device for HA and CI users.

Results: Reading comprehension scores in the CI group were significantly lower than those in the NH and HA groups (p < .001). Rightward saccade velocity was consistently lower than leftward velocity across all groups. Notably, VEP amplitudes in HA users (N1-P1: p = .048) and CI users (N1-P1: p = .005, .019, .001; P1-N2: p = .010, .008, .022) were significantly larger in the unaided condition (without device) compared to the aided condition. Correlation analyses did not reveal a consistent pattern of association between reading comprehension scores and VEP parameters.

Conclusion: While reading skills were found to be weaker in the CI group, the absence of a direct correlation between VEP/saccadic parameters and reading scores suggests that lower-level sensory processing and higher-order reading comprehension may operate through distinct mechanisms. The increased VEP amplitudes observed without hearing devices suggest a cross-modal neuroplastic compensation in the visual cortex during auditory deprivation.

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听力受损儿童阅读能力与视觉诱发电位：人工耳蜗使用者与助听器使用者之比较研究。

背景：本研究旨在评估助听器使用者（HA）、人工耳蜗使用者（CI）和听力正常者（NH）的阅读理解能力、视觉诱发电位（VEP）和跳眼运动，探讨感觉加工与阅读能力之间的关系。方法：纳入45名参与者，15名HA使用者，15名CI使用者和15名NH使用者。VEP、扫视测验和阅读理解测验。对HA和CI用户分别使用和不使用助听器进行VEP录音。结果：CI组的阅读理解得分显著低于NH组和HA组（p < 0.001）。在所有组中，向右扫视速度始终低于向左扫视速度。值得注意的是，HA用户（N1-P1: p = 0.048）和CI用户（N1-P1: p = 0.005）的VEP振幅。019年,措施;P1-N2: p = 0.010。008年,。022)在无辅助条件下（无器械）明显大于辅助条件。相关分析并未显示阅读理解分数与VEP参数之间存在一致的关联模式。结论：虽然CI组的阅读能力较弱，但VEP/扫视参数与阅读得分之间没有直接相关性，这表明低水平的感觉加工和高阶阅读理解可能通过不同的机制运作。在没有助听器的情况下观察到的VEP振幅增加表明在听觉剥夺期间视觉皮层存在交叉模态神经可塑性代偿。

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

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.