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Updated: Sep 9, 2025

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Infant Auditory Processing and Event-related Brain Oscillations
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整个生命周期的thalamocortical听觉处理:与语音唤起的皮质潜力的研究
Pamela Papile Lunardelo1, Marisa Tomoe Hebihara Fukuda2,3, Bianca Tonsic Carmona3
1Department of Specific Training in Speech-Language Pathology, Federal University of Fluminense, Rio de Janeiro, Brazil.
Clinical EEG and neuroscience
|September 5, 2025
概括
从青春期到59岁, 听觉处理表现出稳定的神经生理变化. 像P1/N1延迟等电生理标记在青春期成熟,但在成年后期保持一致.
科学领域:
- 神经科学
- 听觉神经科学
- 发展神经科学
背景情况:
- 听力衰老涉及影响声音处理的神经生理变化.
- 了解这些变化需要识别整个生命周期的电生理标记.
- 皮质听觉唤起潜能 (CAEP) 提供了对听觉通路功能的见解.
研究的目的:
- 确定听力处理发展,稳定性和早期衰老的电生理标志物.
- 在健康的听力衰老中阐明神经生理变化.
- 建立广泛年龄段的CAEP规范性数据.
主要方法:
- 对149名年龄在7-59岁之间的健康参与者的横截面研究.
- 使用双耳刺激 (70 dB HL) 和眼动控制记录的CAEP.
- 参与者分为六个年龄组进行比较分析.
主要成果:
- 在儿童 (7-11) 和老年参与者 (12-59) 之间,P1延迟的显著差异.
- 在儿童和成年人 (30-59岁) 之间,N1潜伏时间不同;在青少年 (12-19岁) 和40-49岁之间,N1幅度不同.
- 年龄与P1/N1延迟有中度的负相关性,与N1幅度有微弱的正相关性.
结论:
- 在发育过程中,P1/N1延迟的成熟变化是明显的.
- 在健康的个体中,听觉处理似乎至少持续到59岁.
- 在成年期或衰老前没有观察到CAEP的显著下降.
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