老年人的神经和行为变化来自听觉认知训练
Charlie Fisher1, I M Dushyanthi Karunathilake1, Michael A Johns1
1University of Maryland, College Park, MD 20742 USA.
bioRxiv : the preprint server for biology
|October 1, 2025
概括
听觉认知训练改善了老年人对噪音的语言感知. 这种训练增强了行为测量和神经反应,表明了听觉处理中的可塑性.
科学领域:
- 神经科学是一个神经科学.
- 听力学 听力学是指听力学.
- 认知科学 认知科学
背景情况:
- 听力正常的老年人往往在噪音中的语音感知方面扎.
- 认知能力下降是潜在的因素,这表明听觉认知训练可能有所帮助.
研究的目的:
- 评估听觉认知训练是否能改善正常听觉的老年人对语音噪音的感知.
- 使用磁脑电图 (MEG) 检查神经和行为变化.
主要方法:
- 参与者接受了听觉认知培训.
- 磁脑电图 (MEG) 在语音噪音任务中记录神经反应.
- 时间响应函数 (TRF) 模型分析了神经数据;工作记忆 (RSPAN) 和语音噪音 (SPIN) 是行为指标.
主要成果:
- 在训练后的行为测量 (RSPAN,SPIN,SFG) 和主观倾听力度方面,观察到显著的改善.
- 神经测量表明,在被监视和不受监视的刺激之间,对比度更强.
- 预训前听力流分离 (SFG) 性能预测的神经可塑性.
结论:
- 听觉认知训练为老年人的语音在噪音中的能力提供了感知和神经效益.
- 这种训练会诱导神经可塑性,可能与听觉流分离技能有关.
- 调查结果提供了关于增强老年人群的听觉处理的见解.
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