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Say It Once, Say It Twice
http://www.autismvox.com/ say-it-once-say-it-twice/
Yesterday I wrote about a study on ultrasonic vocalizations in BTBR mice, who are one "mouse model" of autism. The August 27th Science Daily describes another study that looks at how babies respond to words and vocalizations with repeated sounds. University of British Columbia post-doctoral fellow Judith Gervain and researchers from Italy and Chile documented the activity of 22 newsborns (2-3 days old) on hearing recordings of made-up words. The researchers mixed words that end in repeating syllables â such as "mubaba" and "penana" â with words without repetition â such as "mubage" and "penaku." They found increased brain activities in the temporal and left frontal areas of the newborns' brain whenever the repetitious words were played.
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