Charles Limb performs cochlear implantation, a surgery that treats hearing loss and can restore the ability to hear speech. But as a musician too, Limb thinks about what the implants lack: They don't let you fully experience music yet. (There's a hair-raising example.) At TEDMED, Limb reviews the state of the art and the way forward.img src="http://feeds.feedburner.com/~r/TEDTalks_video/~4/dhjZwxCY_JA" height="1" width="1"/