dr. craig casper joins me. the chief audiology doctor. you are smiling as well, that's quite a moment isn't it? >> it's tremendous to hear the reaction, from someone, it really is very, very plofg and as an -- modifying an moving, an audiology, it is twhoamg see her reaction, it's just amazing. >> talk to me about what the technology is that actually made this moment happen for her. >> sure. a cochlear implant is a device that's been around probably since the early 1970s. some of the more advanced cochlear implants came out in the earlier '80s but searntion there's searntion -- essentialls a processor that fits behind the ear, it does some other credit sophisticated things. it sends the sensations through the skin through a receiver, bypassing a part of the inner ear, and stimulates the nerve directly and then that sound goes directly to the brain. >> i would assume that clearly e is not a candidate for this? >> yes. this is strictly reserved for people who have severe to profound hearing loss and also, are not able to benefit from tradit