10 June 2009

Mom mice hard-wired for baby's cry

Emory University:

How young mice phone home: Study gives clue to how mothers' brains screen for baby calls

Emory University researchers have identified a surprising mechanism in the brains of mother mice that focuses their awareness on the calls of baby mice. Their study found that the high-frequency sounds of mice pups stand out in a mother's auditory cortex by inhibiting the activity of neurons more attuned to lower frequency sounds.

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