MRI Tracks Early Brain Development


Kids grow fast— maybe even faster than you think.

Researchers at the University of California, San Diego and the University of Hawaii have determined the normal newborn brain grows on average about 1 percent each day; that growth slows to about 0.4 percent per day by the time an infant reaches three months. This is the first time researchers have used MRI to calculate the volume of newborns' brains. The study included MRI exams of 87 healthy newborns performed between October 2007 and June 2013.

Determining brain regions in terms of growth rate could help detect the earliest signs of neurodevelopmental disorders such as perinatal brain injury, says the study, published in the Journal of the American Medical Association of Neurology. For more information, visit

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