CNN Vital Signs with Dr. Sanjay Gupta October 10, 2015 18:43:00
First sign both come around 12 months. that meant something was happening in the brain unique to language. not speech. whether through signing or speaking, the brain simply wanted the patterns of language. but for more than 100 years, it was universally accepted that a certain part of the brain, was intended specifically to process sound. >> and we gave profoundly deaf people while they were inside our brain scanner phonetic units, but in signs. these were bits and pieces of signs that had no meaning. they're like, if i said to you, ba, ta, ga, ta. and there what we found is that profoundly de...