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营养在小学儿童认知功能中的中心作用:横截面分析
Azat Samigullin1,2, Jana Gählert3, Gabriel Groß4
1StarScience GmbH, Heidelberg, Germany. azat.samigullin@starscience.de.
BMC nutrition
|February 10, 2025
概括
儿童营养,而不是体重状况,显著影响小学儿童的认知功能. 饮食,体力活动和社会经济地位是影响认知表现的关键因素.
科学领域:
- 儿童营养学 儿童营养学
- 发展心理学 发展心理学
- 公共卫生 公共卫生
背景情况:
- 儿童超重和肥胖的影响超出了身体健康的范围.
- 有证据表明,肥胖与认知能力低下有关,但体重和饮食对儿童认知能力的综合影响尚未得到充分研究.
- 这项研究全面调查了体重状况,社会经济因素,家长人体测量和营养在小学儿童的认知.
研究的目的:
- 研究体重状况对小学儿童认知功能的影响.
- 探索营养,体力活动,社会经济地位和认知表现之间的关联.
- 了解人类计量学,饮食和认知在儿科队列中的相互作用.
主要方法:
- 在256名小学儿童 (平均年龄8.0岁) 中进行了人体测量,认知测试 (分心,灵活性,短期记忆) 和采访.
- 父母的数据包括体力活动,社会经济地位 (SES) 和详细的营养评估 (3天的食物日记,问卷).
- 用皮尔森和斯皮尔曼的相关性来分析基于数据分布的变量之间的关联.
主要成果:
- 在人体测量变量 (体重状况) 和认知领域之间没有发现显著的相关性.
- 认知功能与营养,体力活动和SES有显著的关联.
- 在灵活性任务中的反应时间和脂肪消耗 (R -0.35),总千卡路里 (R -0.30) 和蛋白质摄入量 (R -0.30) 之间观察到最强的关联.
结论:
- 小学儿童的认知领域与人体测量变量无关.
- 营养与认知功能的关联最强,其次是体力活动和SES.
- 这项研究强调了营养在学龄儿童的认知发展和表现中的关键作用.
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