从一个为期6个月的随机对照试验中,身体活动和久坐行为的横截和纵向神经预测因素
Ryan Stanley Falck1,2, Chun Liang Hsu3, John R Best4
1Djavad Mowafaghian Centre for Brain Health, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada.
Scientific reports
|January 9, 2024
概括
参与中度至剧烈的体力活动 (MVPA) 需要神经认知努力,与静坐行为 (SB) 不同,静坐行为可能是默认模式. 了解这种大脑行为联系是促进更健康的活动选择的关键.
科学领域:
- 神经科学是一个神经科学.
- 行为科学 行为科学
- 公共卫生 公共卫生
背景情况:
- 久坐不动的行为 (SB) 提供了即时的回报,但会损害长期的健康.
- 了解活动选择的神经认知基础对于干预至关重要.
- 在体力活动和久坐行为之间做出决定需要评估即时和长期的结果.
研究的目的:
- 探索执行控制和身体活动水平期间神经活动之间的关联.
- 调查大脑活动如何与当前和不断变化的中度至强度体力活动 (MVPA) 和SB的模式有关.
- 为了确定神经认知控制是否在MVPA和SB之间有所不同.
主要方法:
- 一个为期6个月的随机对照试验的二次分析.
- 基于任务的功能磁共振成像 (fMRI) 使用现在/以后任务在参与者的子集 (n=26).
- 在基线和6个月后随访时使用Sensewear Mini对MVPA和SB的客观测量.
主要成果:
- 在执行控制期间的基线神经激活与MVPA水平复杂相关.
- 久坐不动的行为 (SB) 与神经认知控制没有明显的关联.
- MVPA似乎是一个需要付出努力的行为,而SB可能代表一个默认状态.
结论:
- 一个复杂的神经认知系统支着中度至强度的体力活动 (MVPA).
- 久坐不动的行为 (SB) 可能没有明确的神经认知控制,这表明它是一个默认模式.
- 这些发现突出了活跃和久坐行为之间的神经认知差异.
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