// Low-Intensity Distortion Product Otoacoustic Emission Protocols in Infants and Young Children: Contributions of Age-Specific Ear Characteristics
本研究探討6天至5歲兒童外、中耳發育對失真產物耳聲發射（DPOAEs）的影響｜使用寬頻鼓膜測量（WBT）和兩種刺激強度下的DPOAE測量，發現年齡越小，DPOAE水準與吸收率越高，尤其在高頻段，反映耳朵結構成熟過程｜刺激強度較低時，DPOAE振幅下降且缺失反應增加，但訊噪比多數仍保持良好，強調建立年齡別標準有助於準確解讀DPOAE，提升臨床評估精確度。
// This study examined how outer and middle ear development affects distortion product otoacoustic emissions (DPOAEs) in children aged 6 days to 5 years using wideband tympanometry (WBT) and DPOAE measurements at two stimulus intensities. Results showed that younger children had higher DPOAE levels and absorbance, especially at high frequencies, reflecting maturation of ear structures. Lower stimulus levels reduced DPOAE amplitudes and increased absent responses, but signal-to-noise ratios mostly remained adequate. The study concludes that age-specific norms improve interpretation of DPOAEs due to developmental changes in ear anatomy influencing sound transmission.
Published 2026年8月24日
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