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6-8岁儿童噪音处理中的神经和感知语言:与工作记忆的关系
Anadel Khalaila-Zbidat1, Hanin Karawani1
1Department of Communication Sciences and Disorders, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel.
Hearing research
|July 1, 2025
概括
这项研究表明,工作记忆 (WM) 有助于6-8岁的孩子在噪音中理解语音. 然而,大脑在噪音中处理声音的程度会影响WM的帮助程度.
科学领域:
- 听觉神经科学 听觉神经科学
- 发展心理学 发展心理学
- 语音感知 语音感知
背景情况:
- 课堂为孩子们提供了具有挑战性的听力环境,特别是背景噪音.
- 语音噪音 (SiN) 感知依赖于集成的听觉和认知处理.
- 了解这些联系对于支持年轻学习者的识字发展至关重要.
研究的目的:
- 研究6-8岁儿童的SiN感知与工作记忆 (WM) 之间的关系.
- 探索SiN处理中的神经-认知-行为联系.
- 检查背景噪声如何影响神经和感知SiN处理.
主要方法:
- 评估神经SiN处理,使用频率跟踪响应 (FFR) 对安静和噪音中的语音音节进行评估.
- 分析了对于延迟,振幅和基本频率 (F0) 编码的FFR.
- 通过在各种信号对噪声比率 (SNRs) 上通过句子识别测量感知SiN准确性.
- 使用数字跨度任务评估WM.
主要成果:
- 背景噪声影响了感知精度和神经SiN处理 (延迟延迟,较低的幅度,较弱的F0编码).
- 工作记忆与SiN感知正相关.
- 在噪音中F0的神经编码减轻了WM对SiN感知的贡献,更好的F0编码减少了WM的影响.
结论:
- 证实在6-8岁儿童中SiN感知和WM之间存在显著的关系.
- 突出了像WM这样的认知因素在处理SiN中的关键作用.
- 揭示了一个神经-认知-感知相互作用影响SiN处理效率.
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