Mounting evidence suggests that early-life microbial colonization might shape cognitive development and behaviour. This systematic review summarizes current research on the relationship between the gut microbiota and neuropsychological development and behaviour in children and adolescents (0-18 years). Following PRISMA guidelines, we conducted a comprehensive search across MEDLINE, Scopus, and Web of Science, identifying 78 eligible studies covering both clinical neurodevelopmental disorders and…
