What is it like not to be able to communicate with others? NOVA explores the severest of speech disabilities with Dick Boydell—born with cerebral palsy, confined to a wheel chair and unable for 30 years to say more than "yes" or "no" and investigates some of the new technology that gives the speechless a "voice."
click here to see where to watch or .
Ready to Watch NOVA, Season 9, Episode 5?