在运动期间,前额叶皮层的氧化在患有运动认知风险综合征的老年人中
Kell Grandjean da Costa1,2, Eduardo Bodnariuc Fontes2,3, Alekya Menta2
1School of Nursing and Health Sciences, Colby-Sawyer College, New London, NH, 03257, USA.
Advanced biology
|July 29, 2024
概括
有氧运动可以改善运动认知风险综合征 (MCR) 患者的大脑功能. 这项研究发现,骑自行车时前额皮层 (PFC) 氧化增加,这表明MCR的老年人对大脑血流有好处.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 运动生理学 运动生理学
背景情况:
- 运动认知风险综合征 (MCR) 是一种与前额叶皮层 (PFC) 功能减少相关的痴呆前症.
- 众所周知,有氧运动可以增强PFC功能,但其对MCR中PFC氧化的急性影响尚未研究.
研究的目的:
- 为了研究有氧运动对PFC氧化的急性影响,在被诊断为MCR的老年人中.
- 探索运动强度,感知到的劳动和PFC氧化之间的关系.
主要方法:
- 19名患有MCR的老年人参加了次最大自行车运动协议.
- 功能近红外光谱学 (fNIRS) 用于测量PFC中氧化血红蛋白 (OxyHb) 和脱氧化血红蛋白 (DeoxyHb) 的变化.
- 监测了心率和感知劳动力 (RPEs) 的评级.
主要成果:
- 在运动期间观察到PFC中OxyHb度增加和DeoxyHb度降低的趋势.
- 运动导致RPE和心率显著增加.
- 在PFC OxyHb水平和RPE之间发现了正相关性,表明了强度依赖的反应.
结论:
- 急性中等强度自行车运动似乎会增加MCR老年人的PFC氧化.
- 运动期间的PFC氧化程度与主观的运动感知有关.
- 这些发现表明,骑自行车的运动可能会增强这一群体PFC中的脑血流.
相关概念视频
Cognitive Development During Adulthood
73
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,...
73
Exercise Stress Test
186
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
186
Special considerations while measuring oxygen saturation
557
Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
557
Exercise and Cardiac Output
967
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
967
Role of Cerebellum and Prefrontal Cortex in Memory
404
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...
404


