Jamie Fernandez (right), who's eight and a half years old, recently moved to Maryville from Matamoros, Mexico, along with his mom and little brother, to join his father.
"He compares himself to his brother. 'Mama, why brother, he's got both ears. And I just have one,'" Mayra Fernandez said.
"They're not as tired. They're not as frustrated. They're so much happier. They're so much more awake, because they have been at school trying so hard to hear on that one side," Dr. Whittle said.
Jamie hears his mom whisper for the first time.