// Interplay of age, speech perception in noise, standard and extended high-frequency hearing, and cochlear synaptopathy in individuals with normal audiograms
本研究探討年齡相關聽力變化與正常聽力成人聽噪音中語音困難（D-SiN-NH）之關聯｜透過結構方程模型分析60位成人數據，發現高頻聽力損失與非臨床外毛細胞功能障礙有關，與耳蝸突觸病變無直接關聯｜標準頻率聽閾微幅升高才是年齡引起聽噪音困難的主要因素，提供老年聽力保健新視角。
// This study examined how age-related changes in hearing relate to difficulty understanding speech in noise (D-SiN-NH) in adults with normal audiograms. Using structural equation modeling on data from 60 adults, the researchers found that extended high-frequency hearing loss reflects subclinical outer hair cell dysfunction, not cochlear synaptopathy. Although signs of cochlear synaptopathy were present with age, neither it nor high-frequency hearing loss independently explained speech-in-noise difficulties. Instead, slight elevations in standard-frequency hearing thresholds within the normal range were linked to age-related speech-in-noise challenges.
Published 2026年6月12日
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