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New research in mice, before and just after birth, shows that early exposure to sounds may promote aspects of brain development earlier than expected.

Sounds appear to change the brain’s wiring patterns that process sound earlier than assumed Scientists have yet to answer the age-old question of whether or how sound shapes the minds of fetuses in the womb, and expectant mothers often wonder about the benefits of such activities as playing music during pregnancy. Now, in experiments in newborn mice, scientists at Johns Hopkins report that sounds appear to change "wiring" patterns in areas of the brain that process sound earlier than scientists assumed and even before the ear canal opens. The current experiments involve newborn mice, which ...

FOR IMMEDIATE RELEASE Scientists have yet to answer the age-old question of whether or how sound shapes the minds of fetuses in the womb, and expectant mothers often wonder about the benefits of such activities as playing music during pregnancy. Now, in experiments in newborn mice, scientists at Johns Hopkins report that sounds appear to change "wiring" patterns in areas of the brain that process sound earlier than scientists assumed and even before the ear canal opens. The current experiments involve newborn mice, which have ear canals that open 11 days after birth. In human fetuses, the ear...