老龄化时语音理解期间的周期性神经活动:洞察认知努力的洞察力
Sarah J Woods1, Jack W Silcox2, Brennan R Payne2,3,4
1Department of Psychology, University of Utah, 380 S 1530 E, Salt Lake City, UT, 84112, USA. sarah.woods@psych.utah.edu.
Cognitive, affective & behavioral neuroscience
|November 11, 2025
概括
通过脑电图 (EEG) 测量的周期性神经活动可以表明语音理解过程中的认知努力. 这种EEG测量表明老年人倾听力度增加,特别是听力损失和背景噪音.
科学领域:
- 神经科学是一个神经科学.
- 听觉神经科学 听觉神经科学
- 认知神经科学 认知神经科学
背景情况:
- 电脑电图 (EEG) 信号中的周期性活动越来越多地被认为具有神经生理学意义.
- 无周期性活动的特征与认知状态和个人的认知能力相关.
研究的目的:
- 调查非周期性神经活动是否可以量化老年人在语音理解过程中的认知努力.
- 检查背景噪音和听力敏度对与倾听力度相关的非周期性活动的影响.
主要方法:
- 记录了老年人 (N=48) 的脑电图,听力敏度不同,在安静和噪音的情况下听句子.
- 分析了无周期性EEG活动,特别是倾斜和偏移,与声学挑战相关.
- 对年轻成年人进行了年龄比较分析 (N=35).
主要成果:
- 周期性活动的斜率平坦化和偏移减少与增加的背景噪声,反映听力努力.
- 在听力较差的老年人中,噪音诱导的无周期性活动变化更为明显.
- 证实了与年龄相关的无周期性斜率和偏移的减少,在两个年龄组中都存在噪声敏感性.
结论:
- 周期性脑电图活动作为一个有价值的生物标志物用于认知倾听的努力在老年人.
- 这种EEG测量对声学挑战和听力敏度的个体差异敏感.
- 周期性活动分析为了解要求高要求任务的认知努力提供了一个有希望的途径.
相关概念视频
Higher Mental Functions of the Brain: Language
3.4K
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
3.4K
Cognitive Development During Adulthood
757
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
757
Interference and Decay
405
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
405


