Speech perception in older listeners with normal hearing:conditions of time alteration, selective word stress, and length of sentences.

Korean journal of audiology Pub Date : 2014-04-01 Epub Date: 2014-04-14 DOI:10.7874/kja.2014.18.1.28
Soojin Cho, Jyaehyoung Yu, Hyungi Chun, Hyekyung Seo, Woojae Han
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引用次数: 1

Abstract

Background and objectives: Deficits of the aging auditory system negatively affect older listeners in terms of speech communication, resulting in limitations to their social lives. To improve their perceptual skills, the goal of this study was to investigate the effects of time alteration, selective word stress, and varying sentence lengths on the speech perception of older listeners.

Subjects and methods: Seventeen older people with normal hearing were tested for seven conditions of different time-altered sentences (i.e., ±60%, ±40%, ±20%, 0%), two conditions of selective word stress (i.e., no-stress and stress), and three different lengths of sentences (i.e., short, medium, and long) at the most comfortable level for individuals in quiet circumstances.

Results: As time compression increased, sentence perception scores decreased statistically. Compared to a natural (or no stress) condition, the selectively stressed words significantly improved the perceptual scores of these older listeners. Long sentences yielded the worst scores under all time-altered conditions. Interestingly, there was a noticeable positive effect for the selective word stress at the 20% time compression.

Conclusions: This pattern of results suggests that a combination of time compression and selective word stress is more effective for understanding speech in older listeners than using the time-expanded condition only.

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听力正常的老年听者的言语感知:时间变化、选择性单词重音和句子长度的条件。
背景与目的:老化听觉系统的缺陷会对老年听者的言语交流产生负面影响,导致其社交生活受到限制。为了提高老年听众的感知能力,本研究的目的是研究时间变化、选择性单词重音和不同句子长度对老年听众语音感知的影响。实验对象和方法:对17名听力正常的老年人进行了7种不同的时变句子(±60%、±40%、±20%、0%)、2种选择性单词重音(即无重音和重音)和3种不同长度的句子(即短、中、长)的测试,这是在安静环境下个人最舒适的水平。结果:随着时间压缩的增加,句子感知得分有统计学上的下降。与自然(或不重读)的情况相比,选择性重读的单词显著提高了这些老年听众的感知得分。在所有时间变化的条件下,长句子的得分最低。有趣的是,在20%的时间压缩下,选择性单词重音有显著的正向影响。结论:这种模式的结果表明,时间压缩和选择性单词重音相结合,比只使用时间扩展条件更有效地理解老年听众的讲话。
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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