Medical marvel: Three-year-old hears for the first time in his life

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Medical marvel: Three-year-old hears for the first time in his life

Medical marvel: Three-year-old hears for the first time in his life
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Medical marvel: Three-year-old hears for the first time in his life

by CBSTV Videos 2:21 mins

Three-year-old Grayson Clamp was born completely deaf, but he was able to hear his father's voice for the first time with the help of an auditory brainstem implant. Dr. Jon LaPook reports.

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