With a total of more than 10,000 operated patients worldwide, the implantation of cochlear devices has become the most effective technique in the treatment and rehabilitation of individuals with sensorineural hearing loss. The number of cochlear implant users, notably in Asian countries, is expected to grow significantly within the next few years. For this reason, more than 250 of the most experienced clinicians and researchers from 22 different countries gathered in Kyoto convey the latest knowledge on every aspect of this forward-looking discipline.The topics discussed in this volume range from basic sciences, anatomy and pathology to coding strategies, surgical techniques as well as pre- and postoperative complications. In a special section, the reader will find inspiring contributions on pediatric cochlear implantation. Particular emphasis is put on the comparison and evaluation of the various devices and on how different languages influence the performance of these implants. This publication will be an important source of information for anybody who is involved in the field of cochlear implantation.