If you need further assistance, please ask at the Reference Desk. Cochlear implants are poorly covered in the general encyclopedias. Some general encyclopedias have only a very short mention of cochlear implants, while other general encyclopedias don't mention cochlear implants at all. However, there are some specialized sources that include information about cochlear implants. It is helpful to check these sources to familiarize yourself with the topic and the vocabulary used for that topic.
Cochlear implants are controversial, especially in the deaf community.
This videotape presents a panel of deaf community leaders who discuss the pros and cons of cochlear implants. A good introductory article that describes the basic types of cochlear implants, the possible risks, and the criteria for who can potentially benefit from cochlear implants. Also discusses tactile aids and presents research in those areas. Includes diagrams and a brief bibliography. Excellent overview of the history, development, and use of cochlear implants.