// Effects of Hearing Loss and Hearing Aid Directionality on Performance and Orienting Behavior in a Multi-Talker Audiovisual Search Task
本研究探討聽力損失與助聽器麥克風設定對複雜多說話者視聽任務的表現與定位行為影響｜22名聽損者與20名正常聽力者在無助聽器、全向及指向性麥克風條件下，透過頭部與眼動追蹤進行目標語句定位與識別｜結果顯示聽損者定位誤差大、反應時間較長，且更依賴眼動，指向性麥克風則降低正常聽力者的準確度，顯示聽力損失與助聽器方向性影響複雜環境下語音感知與定位能力。
// This study examined how hearing loss and hearing aid microphone settings affect performance and orienting behavior in a complex audiovisual task with multiple talkers. Twenty-two hearing-impaired and twenty normal-hearing participants located and identified target narratives under unaided and aided (omnidirectional and directional microphones) conditions, with head and eye movements tracked. Hearing-impaired individuals showed poorer accuracy, larger localization errors, longer response times, and different orienting behaviors, relying more on eye movements. Directional microphones reduced accuracy and increased errors, particularly for normal-hearing participants, indicating that hearing loss and hearing aid directionality impact speech perception and localization in complex environments.
Published 2026年7月27日
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