Team McCallum

R&D for Lifetime of Life

Baby learning.

Do babies learn the same way adults do, or is there something else going on in there before they can speak?

Damage to two particular regions of the brain causes language impairment in adults, while in children it does not halt language development. Does this mean baby brains work language through different regions to adult brains, or is their brain so adaptable that they can call in other areas to make up for the damage?

Researchers from the University of California San Diego used two types of brain scans, both noninvasive, to check on the areas in the brain that were activating in babies aged 12 months to 18 months. The results appear in the journal Cerebral Cortex.

The tests were quite simple. First, say a common word or alternatively a fake word that sounds quite similar. Second, show a picture of a common object, like a ball or a dog, and say either the correct name or a wrong name for the picture.

From the scans, the team found that even before they can speak, babies process language in the same areas as adults, as the same areas become active. This means if these get damaged in young children, the brain is still flexible enough to call on other areas for language development, whereas in adults, the brain is too fixed to re-route.

The team also found that the babies already had a mental database of words they understood. When pictures were mismatched to names, adult brains become active in a particular region that handles errors in language, and the brain scans showed babies did this too.

So, even before your baby can talk, he or she is learning much the same way an adult does, and has already developed a vocabulary.

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January 10, 2011 - Posted by | Brain, Language, Learning, Success

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