青春期身体活动,久坐时间和神经认知功能之间的关联:加速计和侧面P300的证据
Christopher J Brush1, Lauren R Keith2, Nicholas J Santopetro2
1Department of Movement Sciences, University of Idaho, Moscow, ID, United States.
Progress in brain research
|June 14, 2024
概括
青少年的体力活动可以促进大脑功能,而久坐时间则会阻碍大脑功能. 增加中度至剧烈的体力活动 (MVPA) 与更好的神经认知结果相关,而久坐行为则显示出相反的效果.
科学领域:
- 青少年健康 青少年健康
- 神经科学是一个神经科学.
- 行为科学是一种行为科学.
背景情况:
- 身体活动和久坐是影响青少年健康的关键生活方式因素.
- 公共卫生倡议促进身体活动,以改善身体和精神健康,包括神经认知功能.
- 久坐不动行为对青少年神经认知功能的具体影响需要进一步澄清.
研究的目的:
- 检查日常中度至强度体力活动 (MVPA),久坐时间和青少年的神经认知功能之间的关联.
- 调查MVPA和久坐时间对神经认知表现的独立贡献.
主要方法:
- 57名青少年 (年龄在13-17岁) 佩戴加速度计一周,以测量每天的MVPA和久坐时间.
- 参与者完成了一项侧面任务,以评估P300振幅,这是神经认知功能的一种衡量标准.
- 对年龄,性别和BMI-for-age百分位数进行统计分析.
主要成果:
- 较高的每日MVPA与更大的P300幅度显著相关,这表明神经认知功能得到了增强.
- 日常久坐时间的增加与P300幅度的减少有显著联系,这表明神经认知功能受损.
- 在对共变量进行调整后,这些关联仍然显著.
结论:
- 每天的MVPA和久坐时间独立地影响青少年的神经认知功能,特别是P300幅度.
- 研究结果强调了体力活动和久坐不动行为在青春期大脑健康中的不同作用.
- 需要进一步的研究来探索针对MVPA和久坐时间进行认知增强的干预措施.
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