Bird, human tweets come from similar parts of the brain | Science News



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Bird, human tweets come from similar parts of the brain

Genetics study finds parallels in birdsong and language

6:40pm, February 16, 2013

BOSTON — “Birdbrain” may not be much of an insult: Humans and songbirds share genetic changes affecting parts of the brain related to singing and speaking, new research shows. The finding may help scientists better understand how human language evolved, as well as unravel the causes of speech impairments.

Neurobiologist Erich Jarvis of Duke University Medical Center in Durham, N.C., and colleagues discovered roughly 80 genes that turn on and off in similar ways in the brains of humans and songbirds such as zebra finches and parakeets. This gene activity, which occurs in brain regions involved in the ability to imitate sounds and to speak and s

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