Sound of Mother's Voice in Womb May Aid Fetal Brain Growth

February 23, 2015 9:00 PM

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MONDAY, Feb. 23, 2015 (HealthDay News) -- Babies may get a brain boost in the womb when they hear the voices and heartbeats of their mothers, a new study suggests.

Researchers studying premature babies in the hospital found that the sound centers in the babies' brains grew more quickly when they heard recordings of their mothers rather than the normal clamor of intensive care units. The recordings were manipulated to simulate sounds heard in a womb.

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