For those born with certain types of congenital deafness, the cochlear implant has been a positive and enabling technology. It uses electronics to step in as a replacement for the biological ear that doesn’t quite function properly, and provides a useful, if imperfect, sense of hearing to its users.

New research has promised another potential solution for some sufferers of congenital deafness. Instead of a supportive device, a gene therapy is used to enable the biological ear to function more as it should. The result is that patients get their sense of hearing, not from a prosthetic, but from their own ears themselves.

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