相关实验视频
Updated: Jan 10, 2026

10:36
fMRI Validation of fNIRS Measurements During a Naturalistic Task
Published on: June 15, 2015
21.4K
在认知衰弱的老年人中,认知运动任务期间的大脑活动:fNIRS研究
Yin-Hsiang Wang1, Yea-Ru Yang1, Nai-Chen Yeh1
1Department of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei, Taiwan.
Frontiers in aging neuroscience
|November 26, 2025
概括
认知脆弱的老年人在认知运动任务中显示出大脑活动的改变,这表明神经效率低下. 这可能有助于识别认知脆弱性,并指导未来对老化中的大脑健康进行干预.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 认知科学 认知科学
背景情况:
- 认知虚弱在老年人医疗保健中是一个日益关注的问题,在认知运动任务期间对其功能性大脑变化的理解有限.
- 以前的研究集中在结构性大脑变化上,使得复杂任务期间的功能性大脑活动未得到充分探索.
- 调查功能性大脑变化对于全面了解老年人认知障碍至关重要.
研究的目的:
- 在认知运动任务中调查老年人有或没有认知虚弱的功能性大脑活动.
- 检查功能性大脑活动与认知运动任务的表现之间的关系.
- 通过大脑功能的镜头来深入了解认知脆弱.
主要方法:
- 一项横截面研究,比较认知脆弱和健康的老年人.
- 功能近红外谱学 (fNIRS) 在认知运动任务和行走过程中测量了前额,补充运动和前运动区域的脑活动.
- 绩效指标包括认知运动任务,步行速度,身体表现和执行功能,使用概括估计方程和相关性分析进行分析.
主要成果:
- 与正常行走相比,认知脆弱的老年人在认知运动任务中表现出增加的大脑激活,类似于健康对照组.
- 尽管表现下降,但两组都没有增加对更困难任务的激活,这表明潜在的能力限制.
- 在认知脆弱的个体中,补充运动区域和前运动皮层活动与困难的任务执行负相关,并减少执行和身体功能.
结论:
- 研究结果表明,在认知脆弱时,功能性大脑发生变化,这可能反映神经储备,容量限制和神经效率低下.
- 这些见解可能有助于识别认知脆弱性,并强调需要针对这些神经变化的干预措施.
- 进一步的研究是有必要的,以探索干预措施,调节大脑活动的认知虚弱管理.
更多相关视频
11:31Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks
Published on: December 5, 2014
15.6K
10:07Using Fiberless, Wearable fNIRS to Monitor Brain Activity in Real-world Cognitive Tasks
Published on: December 2, 2015
27.8K
相关概念视频
Cognitive Development During Adulthood
752
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,...
752
Role of Cerebellum and Prefrontal Cortex in Memory
988
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
988