儿童时期的代谢权衡:探索语言发展和身体生长之间的关系
Sophie Bouton1,2, Coralie Chevallier3, Aminata Hallimat Cissé4
1Institut Pasteur, Université Paris Cité, Inserm, Institut de l'Audition, Paris, France.
Developmental science
|March 18, 2024
概括
孩子 孩子 孩子 孩子
科学领域:
- 发展生物学 发展生物学
- 神经科学是一个神经科学.
- 儿科 儿科 儿科
背景情况:
- 人类的童年包括大脑发育和身体成长之间的代谢权衡.
- 在童年期间,能量分配在认知发育和身体成长之间发生转变.
- 肥胖反弹,大约5岁左右的体重下降,是成长阶段的关键指标.
研究的目的:
- 研究童年时期语言技能和体重指数之间的关系.
- 探索大脑发育和身体生长之间的能量分配权衡.
- 检查环境因素对语言发展和成长模式的影响.
主要方法:
- 从EDEN母婴队列中对2002名儿童进行纵向分析.
- 结构方程建模用于分析变量之间的关联.
- 用作大脑发育的代理语言技能;评估脂肪反弹时间.
主要成果:
- 晚期肥胖反弹的女孩在5-6岁时表现出更好的语言能力.
- 延迟脂肪复苏和语言技能之间的关联是特定于女孩的.
- 更高的社会经济地位和认知刺激与更好的语言技能和延迟的脂肪复苏有关.
结论:
- 调查结果支持能源分配权衡,优先考虑女孩的语言发展而不是身体成长.
- 女孩的延迟脂肪反弹可能表明一种生物策略有利于认知投资.
- 早期的环境因素在优化认知和身体发展轨迹方面发挥着重要作用.
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