correlational
In premature babies who develop normally, brain chemicals keep improving as they get closer to their due date—but in those who have delays, this improvement doesn’t seem to happen, though the numbers are too small to be sure.
Evidence from Studies
No evidence studies found yet.
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.