// Age-related changes in acoustic cue use for speech-in-speech perception
本研究探討音高與空間聲學線索如何幫助聽者在噪音中分辨語音訊號｜參與者年齡介於18至74歲，並測量聽力閾值、腦幹反應與認知能力｜結果顯示年長者表現較差，聽力損失影響音高與空間線索的利用，認知能力則影響較困難情境下的表現，顯示聽覺與認知能力下降均削弱語音分離能力。
// This study examined how pitch and spatial acoustic cues help listeners separate speech streams in noise and how aging affects this ability. Adults aged 18-74 completed speech-in-speech tasks using pitch, spatial, or combined cues, while hearing thresholds, brainstem responses, and cognitive scores were measured. Older adults performed worse across all cue conditions, with standard hearing loss predicting pitch cue use and extended high-frequency loss predicting spatial cue use. Cognitive capacity influenced performance in harder conditions, suggesting both auditory and cognitive declines reduce older adults' ability to use acoustic cues for speech segregation.
Published 2026年8月26日
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