有氧运动训练对健康老年人的海马体体积的影响:随机对照试验的元分析
Guilherme Moraes Balbim1,2,3, Nárlon Cássio Boa Sorte Silva1,2,3, Lisanne Ten Brinke1,2,3
1Djavad Mowafaghian Centre for Brain Health, Faculty of Medicine, University of British Columbia, Vancouver, Canada.
GeroScience
|November 9, 2023
概括
在健康的老年人中,有氧运动训练并没有显著改变海马体积. 虽然它改善了心肺呼吸能力,但这与大脑体积变化没有相关,这表明当前研究的潜在局限性.
科学领域:
- 神经科学是一个神经科学.
- 运动生理学 运动生理学
- 老年学是一门学科.
背景情况:
- 认知能力下降和大脑体积减少是衰老的担忧.
- 有氧运动训练 (AET) 正在研究其对大脑健康的潜在益处.
- 海马体积是认知功能和衰老的关键指标.
研究的目的:
- 在健康的老年人中对AET对海马体体积和心肺呼吸能力 (CRF) 的影响进行随机对照试验进行元分析.
- 为了确定CRF的改善是否与海马体积的变化相关.
主要方法:
- 对8项随机对照试验 (N=554) 的元分析,涉及不受认知损害的健康老年人.
- 包括与持续时间≥4周的AET干预的研究.
- 使用随机效应模型和元回归来分析数据.
主要成果:
- AET没有显著影响海马体积 (SMD=0.10,p=0.073).
- AET显著改善了心肺呼吸能力 (SMD=0.30,p=0.005).
- 在CRF改善和海马体积变化之间没有发现显著的关联 (p=0.923).
结论:
- 目前的证据表明,AET在健康的老年人中不会显著改变海马体积.
- 虽然AET增强了CRF,但这种益处可能不会转化为海马体积的可测量变化.
- 现有研究的方法限制可能会掩盖AET对大脑的潜在影响.
更多相关视频
07:01Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
Published on: September 20, 2020
4.7K
12:59Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
Published on: July 5, 2017
12.6K
相关概念视频
Exercise and Cardiac Output
1.1K
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...
1.1K
Role of Hippocampus in Memory
273
The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
273
Cognitive Development During Adulthood
122
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,...
122
