Hi Grayson News Today : Breaking News, Live Updates & Top Stories | Vimarsana

We don't know exactly what he hears, if he hears everything we hear, some of what we hear. >> reporter: doctors are confident grayson will eventually hear and speak like any other child. his parents say he's already made great progress, although they won't soon forget what that first moment was like. >> hi grayson. talk to him, daddy. >> daddy loves you. daddy loves you. >> yes, hear. >> i can't stop watching that video. so fun to see his expression as he hears his dad's voice for the first time. let me show you something quickly. first of all, we're not talking specific lish about a cochlear ...

>> daddy loves you. daddy loves you. >> yes, hear. >> can you hear daddy? >> reporter: before this moment, grayson clamp had never heard a sound. grayson. >> reporter: grayson was born without the auditory nerves that carry sound from the inner ear to the brain. initially he was fitted with a cochlear implant, but without nerves it was ineffective. that's when doctors at the university of north carolina school of medicine gave him this. it's an auditor brain stem implant. the device is tip cliz used in adults whose nerves had been damaged and hadn't yet been approved for use in children. that ...

>> i think you're going to like this one, carol. it is an amazing story. i'll preface by saying, doctors don't use the word miracle very often. the father of grayson said that god is still in the miracle business after he experienced what you're about to see now. take a look. it could be called a modern day miracle. watch as this little boy hears his father's voice for the first time. >> hi grayson. talk to him, daddy. >> daddy loves you. daddy loves you. daddy -- >> hear. >> can you hear daddy? >> before this moment grayson had never heard a sound. >> that's you. grayson. >> reporter: grayson...