The post lingual deaf adults and prelingual deaf children, who can not get any kind of help from Hearing aids need not worrry now.

The cochlear implant is an electronic device, part of which is surgically implanted in the ear and part of which is worn externally like a hearing aid. It produces an electrical stimulus that bypasses the damaged or missing hair cells in severe to profound sensori neural hearing loss and directly stimulates the remaining auditory neural elements.Although there are presently a variety of cochlear implant devices in use around the world, they all have certain basic components in common. A microphone picks up the sound and sends it as an electrical signal to a signal processor, where it is modified depending on the particular processing scheme in use. The modified signal is sent to an external transmitter where it is transferred through or across the skin to an implanted electrode or electrodes. This transmission takes place by use of electromagnetic induction or radio frequency transmission to an internal receiver, or by direct connection via a percutaneous plug. Electric current flows between one or more active electrodes, stimulating the auditory nerve to produce a sensation of sound. The implantation has to be followed by vigorous training through auditory verbal approach, which is the most important part of habilitation or rehabilitation procedure.