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Gut bugs boost brains: How your child’s microbiome affects thinking

In a groundbreaking study published in Science Advances, researchers from Wellesley College, in collaboration with other institutions, have delved into the intricate relationship between the gut , cognitive function, and brain structure in healthy children. This research, a part of the Environmental Influences on Child Health Outcome (ECHO) Program, sheds light on the previously unexplored influence of gut microbial on typical neurodevelopment.

Analyzing 381 healthy children from The RESONANCE cohort in Providence, Rhode Island, the study uncovers compelling associations between the gut microbiome and cognitive function. Specific microbial species, such as Alistipes obesi and Blautia wexlerae, are linked to higher cognitive functions, while others like Ruminococcus gnavus are more prevalent in children with lower cognitive scores. Notably, microbial genes involved in the metabolism of neuroactive compounds, including short-chain fatty acids, play a crucial role in shaping cognitive abilities.

Utilizing advanced models, the research demonstrates the potential of gut microbial profiles to predict variations in brain structure and cognitive performance. This suggests a promising avenue for early detection and intervention strategies in neurodevelopment, paving the way for a deeper understanding of the gut-brain-microbiome axis in childhood cognitive development.

Vanja Klepac-Ceraj, the corresponding author, emphasizes the exciting hypotheses generated by this single cohort study, with a keen interest in testing them in additional settings. The integration of multivariable linear and machine learning models adds an innovative dimension to the research, unraveling the complex relationship between gut microbiome profiles and neurodevelopment.

These findings not only contribute to the understanding of normal neurocognitive development in healthy children but also open avenues for developing biomarkers for neurocognition and brain development. The potential for early detection of developmental issues and targeted interventions underscores the significance of gut health in early childhood, presenting dietary and lifestyle considerations for parents and healthcare providers. Furthermore, this research sets the stage for future experimental testing, potentially enhancing our ability to support optimal cognitive development in children.

Source: Wellesley College

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