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总结
一项海外研究将人类肠道菌群移植到小鼠体内，随后通过神经活动监测发现，小鼠大脑在部分功能网络上呈现更接近灵长类的活动特征。研究团队据此推测，肠道微生物可能通过“肠脑轴”影响神经发育与认知相关回路，为解释大脑演化与人类智力相关机制提供新线索。该结果仍属动物与机制层面的证据，后续需更多实验与人群研究验证其因果关系与可转化性。
正文
Scientists Put Human Gut Bacteria Into Mice and Found Their Brains Showed Primate-like Activity ZME Science The secret to human intelligence? It might be in our gut ScienceDaily Microbes may hold the key to brain evolution Phys.org Want to improve gut-brain connection? Dietician shares how fermented foods help Hindustan Times The gut is not just digestive and new evidence shows it actively controls brain function News-Medical
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