Visual Modulation of Acoustic Reflex Measurements: Insights Into Sensory Integration

IF 2.6 3区心理学 Q2 BEHAVIORAL SCIENCES

Brain and Behavior Pub Date : 2025-05-18 DOI:10.1002/brb3.70574

Aysun Parlak Kocabay, Aysegul Esdogan, Aysenur Aykul Yagcioglu

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引用次数: 0

Abstract

Objective

The aim was to investigate the impact of visual tasks on acoustic reflex thresholds (ARTs) and AR latencies (ARLs) during AR measurements.

Methods

A total of 31 participants (17 female, 14 male; mean age: 20.3 ± 1.8 years) with normal hearing and Type A tympanograms were included. ARTs and latencies were measured using a 226 Hz probe tone under five distinct conditions: (1) resting with no visual task, (2) eyes comfortably closed, (3) fixed gaze on a stationary object, (4) saccadic eye movements, and (5) optokinetic eye movements. Data were analyzed using repeated measures ANOVA with Bonferroni correction applied for post hoc comparisons.

Results

ARTs were significantly lower in the condition of eyes closed compared to fixed gaze, at both 1 and 2 kHz (p < 0.05). ARLs at 500 Hz were significantly shorter in the condition of fixed gaze compared to saccadic eye movements (p < 0.05). A significant interaction between frequency and condition was observed for ARTs, indicating frequency-specific modulation by visual tasks, whereas no significant frequency and condition interaction was found for ARLs.

Conclusion

Visual tasks have a measurable effect on ARTs and latencies, likely due to cross-modal interactions between the auditory and visual systems. These results highlight the importance of standardizing visual and attentional conditions during clinical AR testing. Further research is warranted to elucidate the underlying neural mechanisms and their clinical implications.

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声反射测量的视觉调制：对感觉整合的见解

目的探讨视觉任务对声反射阈值（ARTs）和声反射潜伏期（ARLs）的影响。方法共31例受试者，其中女性17例，男性14例；平均年龄：20.3±1.8岁)，听力正常，A型鼓膜。在五种不同的条件下，使用226 Hz探头音调测量art和潜伏期：(1)无视觉任务休息，(2)眼睛舒适地闭上，(3)凝视静止物体，(4)眼跳运动，(5)眼动运动。数据分析采用重复测量方差分析，事后比较采用Bonferroni校正。结果在1 kHz和2 kHz时，闭眼状态下的art明显低于凝视状态(p <；0.05)。与跳眼运动相比，固定凝视条件下500 Hz的arl显著缩短(p <；0.05)。在ARLs中，频率和条件之间存在显著的相互作用，表明视觉任务对频率有特定的调制作用，而ARLs中没有发现显著的频率和条件相互作用。结论视觉任务对art和潜伏期有可测量的影响，可能是由于听觉和视觉系统之间的跨模态相互作用。这些结果强调了在临床AR测试中标准化视觉和注意力状况的重要性。进一步的研究需要阐明潜在的神经机制及其临床意义。

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

Brain and Behavior BEHAVIORAL SCIENCES-NEUROSCIENCES

CiteScore

5.30

自引率

0.00%

发文量

352

审稿时长

14 weeks

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