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Dr. Petitto and BL2 Featured on CNN

July 16, 2015

Dr. Laura-Ann Petitto, Developmental Cognitive Neuroscientist, was interviewed on CNN’s Vital Signs (host, Dr. Sanjay Gupta) based on her three decades of research and discoveries about language learning in the human brain, the bilingual brain, the reading brain, and for her discoveries about the acquisition and neural organization of American Sign Language. This episode focused on the sense of hearing and how it relates to language learning, and Dr. Petitto provided scientific insights on the acquisition of signed language in deaf and hearing children and the role of visual sign phonology in supporting reading acquisition in deaf children.

Watch the entire episode here. It will also air on CNN International (dates and times below), or you may also use the CNN Go app. This episode will also air on CNN U.S. within the next two months (dates and times forthcoming). For more information about Petitto’s scientific discoveries see

CNN International dates, all times Eastern

Wed 7/15/15, 5:30 AM, 12:30 PM

Sat 7/18/15, 1:30 AM, 2:30 PM

Sun 7/19/15, 8:30 AM

Sat 7/25/15, 8:30 AM

Sun 7/26/15, 1:30 AM, 2:30 PM

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