MIT model helps researchers 'see' brain development

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Larger-scale folds develop the fastest in premature (born more than seven weeks early) infants (top) while medium-scale folds develop the fastest in older premature infants born between seven and two weeks early (middle). In older infants and childre ...
Larger-scale folds develop the fastest in premature (born more than seven weeks early) infants (top), while medium-scale folds develop the fastest in older premature infants, born between seven and two weeks early (middle). In older infants and children, fine folds develop the most quickly across the brain surface (bottom). Image: Peng Yu

Large mammals--humans, monkeys, and even cats--have brains with a somewhat mysterious feature: The outermost layer has a folded surface. Understanding the functional significance of these folds is one of the big open questions in neuroscience.


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