Imagine not being able to talk to the people around you. That's the reality for millions of Americans who suffer from disorders that affect their ability to speak. Now, one scientist is making it his mission to give these patients a voice.

Encoded with permission for digital streaming by Infobase on June 04, 2014. Learn360 is distributed by Infobase for Films for the Humanities & Sciences, Cambridge Educational, Meridian Education, and Shopware.

Empowering the Voiceless (2:00).