No Link Between Speech-in-Noise Perception and Auditory Sensory Memory - Evidence From a Large Cohort of Older and Younger Listeners.
No Link Between Speech-in-Noise Perception and Auditory Sensory Memory - Evidence From a Large Cohort of Older and Younger Listeners.
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DOI：
10.1177/23312165231190688
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发表时间：
2023-01
影响因子：
2.7
通讯作者：
Chait, Maria
中科院分区：
文献类型：
--
作者：
Bianco, Roberta;Chait, Maria
越来越多的文献证明了工作记忆（WM）和噪声中的语音（SiN）感知之间的联系。然而，这种相关性的性质和WM的哪些组成部分可能是它的基础，正在争论。我们研究了SiN接收与听觉感觉记忆（aSM）的联系-支持时间展开声音的短期维持的低水平过程。在线招募了老年（N = 199，60-79 yo）和年轻（N = 149，20-35 yo）参与者的大样本，并进行了基于协调响应测量的言语干扰任务，该任务利用了听众在背景噪声中跟踪言语目标的能力。我们使用了两个任务来调查内隐和外显的aSM。两者都是基于语音处理时间尺度上的音调模式重叠（音调呈现率为20 Hz;模式为2 Hz）。我们假设，SiN和aSM之间的联系可能是特别明显的老年听众由于年龄相关的SiN接收和aSM的减少。我们证实了受损的SiN接收在老年人的队列，并表现出减少aSM性能在这些听众。然而，SiN和aSM没有共享可变性。在两个年龄组中，SiN性能由双耳处理测试和年龄预测。结果表明，先前观察到的WM和SiN之间的联系可能与执行组件和其他认知需求的使用任务。这一发现有助于限制搜索的知觉和认知因素，解释在SiN性能的个体差异。
A growing literature is demonstrating a link between working memory (WM) and speech-in-noise (SiN) perception. However, the nature of this correlation and which components of WM might underlie it, are being debated. We investigated how SiN reception links with auditory sensory memory (aSM) – the low-level processes that support the short-term maintenance of temporally unfolding sounds. A large sample of old (N = 199, 60–79 yo) and young (N = 149, 20–35 yo) participants was recruited online and performed a coordinate response measure-based speech-in-babble task that taps listeners’ ability to track a speech target in background noise. We used two tasks to investigate implicit and explicit aSM. Both were based on tone patterns overlapping in processing time scales with speech (presentation rate of tones 20 Hz; of patterns 2 Hz). We hypothesised that a link between SiN and aSM may be particularly apparent in older listeners due to age-related reduction in both SiN reception and aSM. We confirmed impaired SiN reception in the older cohort and demonstrated reduced aSM performance in those listeners. However, SiN and aSM did not share variability. Across the two age groups, SiN performance was predicted by a binaural processing test and age. The results suggest that previously observed links between WM and SiN may relate to the executive components and other cognitive demands of the used tasks. This finding helps to constrain the search for the perceptual and cognitive factors that explain individual variability in SiN performance.
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