感知训练通过增强阿尔法频段振荡和老年人的功能连接性来改善视听整合
Yanna Ren1, Peng Chen1, Yan Li1
1Department of Psychology, College of Humanities and Management, Guizhou University of Traditional Chinese Medicine, No. 4, Dongqing Road, Huaxi District, Guiyang, 550025, China.
Cerebral cortex (New York, N.Y. : 1991)
|August 25, 2024
概括
视听感知训练增强了感官整合,特别是在老年人中. 这种训练改善了大脑的反应和功能连接,这表明它是老龄化人口的认知干预.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 人与计算机的交互
背景情况:
- 关于视听一体化 (AVI) 培训的研究有限,大多数研究都侧重于时间精度.
- 了解AVI增强对于认知功能至关重要,特别是在老年人群中.
研究的目的:
- 调查为期五天的视听感知培训计划对视听整合的影响.
- 在对视听感知培训的反应中探索与年龄相关的差异.
主要方法:
- 连续5天的视听感知培训,使用脑电图 (EEG) 记录.
- 刺激包括仅听觉 (A),仅视觉 (V) 和视听 (AV) 条件.
- 对P3 AVI振幅,α振荡和功能连接性 (加权相位滞后指数) 分析了EEG数据.
主要成果:
- 与对照组相比,训练组的感知灵敏度在训练后增加.
- 训练后,老年人表现出更快的AV反应,而年轻人表现出更大的A和V刺激反应.
- 脑电图显示P3 AVI幅度增加,阿尔法振荡反应增强,训练后全球功能连接性得到加强.
- 这些培训诱导的便利性在老年人中更为明显.
结论:
- 视听感知培训有效地提高了视听整合和感知灵敏度.
- 通过培训可以加强与年龄相关的AVI补偿机制,特别是在老年人中.
- 这项培训显示出作为老年人认知干预策略的前景.
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