三种潜在的神经血管路径驱动着正念冥想对老年人的好处
Jessica Pommy1, Colette M Smart2, Andrew M Bryant3
1Department of Neurology, Division of Neuropsychology, Medical College of Wisconsin, Milwaukee, WI, United States.
Frontiers in aging neuroscience
|July 17, 2023
概括
正念冥想可以通过增强神经血管功能来改善老年人的大脑健康. 研究表明,它可以促进大脑血液流动,减少神经炎症,可能减缓与衰老相关的认知衰退.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 医疗成像医学成像
背景情况:
- 正念冥想表现出广泛的健康益处,迅速影响大脑结构和功能.
- 神经血管健康对衰老至关重要,它影响正常和病态的大脑衰老过程.
- 功能磁共振成像 (fMRI) 提供了对神经血管机制的洞察.
研究的目的:
- 探索潜在的神经血管机制,通过这种机制,正念冥想有利于老年成人.
- 综合了成年人和老年人群的休息状态和基于任务的fMRI研究的发现.
- 确定正念冥想可以支持老年人的神经血管健康的特定途径.
主要方法:
- 对老年人样本休息状态fMRI研究的审查.
- 基于任务的fMRI研究对不同成年样本 (临床和健康) 的分析.
- 整合发现,提出正念冥想的神经血管机制.
主要成果:
- 老年人的休息状态研究表明,对大脑血液流动有潜在的益处.
- 成年人的基于任务的研究表明,正念冥想影响功能连接,特别是在默认模式网络中.
- 有证据表明,冥想在调节神经炎症和支持自上而下的认知控制方面的作用.
结论:
- 正念冥想可以通过直接和间接的机制为老年人提供神经血管方面的好处.
- 拟议的机制包括增强静止状态大脑血流,通过默认模式网络调制减少神经炎症,并改进了自上而下的认知控制.
- 这些途径突出了正念冥想作为促进健康大脑衰老的潜在干预.
更多相关视频
08:08Using Wavelet Entropy to Demonstrate how Mindfulness Practice Increases Coordination between Irregular Cerebral and Cardiac Activities
Published on: May 10, 2017
14.8K
05:06Author Spotlight: Integrating Tai Chi with Mindfulness Training to Achieve an Effective Mind-Body Exercise
Published on: July 14, 2023
1.7K
相关概念视频
01:25Stress Prevention and Stress Management Techniques III
84
Regular exercise and meditation serve as essential tools in managing stress and promoting physical and mental well-being.
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
84
01:30Cognitive Development During Adulthood
160
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,...
160
01:06Altered States of Awareness
247
Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
247
01:29Overview of Somatic Sensory Pathways
4.7K
Somatic sensory or somatosensory pathways refer to the neural pathways that carry information related to touch, pressure, pain, temperature, and proprioception from the skin, muscles, tendons, and joints to the brain. These pathways involve several stages of processing and integration of sensory information.
The somatosensory system is divided into three main pathways: the dorsal (or posterior) column-medial lemniscus, spinothalamic (or anterolateral), and spinocerebellar pathways.
The dorsal...
The somatosensory system is divided into three main pathways: the dorsal (or posterior) column-medial lemniscus, spinothalamic (or anterolateral), and spinocerebellar pathways.
The dorsal...
4.7K
01:26Aging
89
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
89
01:28Major Somatic Sensory Pathways
1.0K
Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
1.0K