在幼儿园内外的静坐时间与幼儿园儿童的执行功能之间是否存在关联?
Thaynã Bezerra1,2, Irene Esteban-Cornejo3, Natalia Goulart4,5
1Department of Physical Education, Regional University of Cariri, Crato, Brazil.
概括
周末的久坐时间与学龄前儿童的执行功能 (EF) 较差有关. 这凸显了久坐不动行为的背景如何影响幼儿的认知发展.
科学领域:
- 儿童发展 儿童发展
- 认知神经科学 认知神经科学
- 行为科学 行为科学
背景情况:
- 幼儿园儿童积累了大量的静坐时间,这可能会对认知功能产生负面影响.
- 然而,特定类型的久坐活动可能会以不同的方式影响执行功能 (EF).
研究的目的:
- 调查学前儿童在学前和学外的静坐时间 (ST) 与执行功能之间的关联.
- 确定特定环境的静坐时间是否与特定的执行功能指标有关.
主要方法:
- 73名学龄前儿童 (年龄为55.0±9.1个月) 用加速度计客观评估了久坐时间和体力活动.
- 执行职能使用早期工具箱中的Go/No-Go范式进行评估,重点关注反向效率 (IE) 和No-Go准确性.
- 结构方程建模用于分析关联,调整年龄,性别,BMI和中度至强度体力活动等共变量.
主要成果:
- 在周末静坐时间和逆效率 (IE) (b = 0.61;p < .001) 之间发现了显著的正相关性.
- 整体模型解释了52%的IE变化和2.1%的No-Go准确性.
- 特别是周末的久坐时间与更差的执行功能表现有关.
结论:
- 周末的久坐时间与学龄前儿童的执行功能表现较差有关.
- 这一发现强调了一种依赖于背景的关系,即儿童早期的久坐行为和认知结果之间的关系.
- 需要进一步的研究来探索静止行为类型的细微差别及其对不同环境中的执行功能的影响.
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