A mother's journey through her child's deafness

Quellen: www.cbsnews.com

APRIL 21, 2014, 8:35 AM|Science writer Lydia Denworth's son was diagnosed with moderate to profound hearing loss around 2 years old. She explores hearing, language and the brain in her new book, "I Can Hear You Whisper: An Intimate Journey through the Science of Sound and Language." "CBS This Morning" contributor Lee Woodruff reports.