Roger Ebert, 67, lost the ability to speak almost four years ago, following life-saving cancer surgery.
He has since relied on hand-written notes, a form of sign language and a basic voice synthesiser to communicate.
A legendary US film critic has been given his voice back thanks to a Scottish research team.
Roger Ebert, 67, lost the ability to speak almost four years ago, following life-saving cancer surgery.
He has since relied on hand-written notes, a form of sign language and a basic voice synthesiser to communicate.