The effect of the microbiota-gut-brain axis on cognitive development in infancy is increasingly being scrutinized. In this issue of Cell Host & Microbe, Cerdó, Ruiz, and colleagues skillfully combine clinical and preclinical analyses, including a fecal transplantation experiment, to reveal associations between microbiota composition, cognitive scores, and histidine metabolism.

中文翻译：

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认知发展的方法

微生物群-肠-脑轴对婴儿期认知发展的影响越来越受到人们的关注。在本期《细胞宿主与微生物》中，Cerdó、Ruiz 及其同事巧妙地将临床和临床前分析（包括粪便移植实验）结合起来，以揭示微生物群组成、认知评分和组氨酸代谢之间的关联。