// Aging-related reconfiguration of auditory working-memory control under converging phonological and executive demands: EEG signatures and speech-in-noise performance
本研究透過腦電圖(EEG)分析老年人在聽覺n-back工作記憶(WM)任務中的表現｜結果顯示老年人在高語音和執行負荷下表現明顯下降，且腦部活動由主動控制轉向被動反應｜額葉P3a波增強與工作記憶及語音噪音理解能力減弱相關，突顯老化對聽覺WM控制的選擇性影響。
// This study investigated how aging affects auditory working memory (WM) and speech-in-noise comprehension using EEG during an auditory n-back task varying in stimulus type and executive load. Older adults showed greater performance decline, especially under high phonological and executive demands, alongside distinct age-related changes in brain activity reflecting a shift from proactive to reactive control processes. Enlarged frontal P3a responses in older adults were linked to poorer WM performance, which in turn correlated with speech-in-noise abilities. The findings highlight how aging selectively impairs auditory WM control when phonological and executive challenges co-occur.
Published 2026年6月1日
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