Description:Due to the substantial progress in the field of cochlear implantation in the last 20 years, it nowadays seems normal when speech reception can be achieved without visual support. The enormous developments make it necessary to frequently reconsider candidacy for implantable hearing aids. In addition to the clinical achievements, cochlear implants also provide a wonderful opportunity for basic scientific research in hearing. The articles of the present issue span the whole range from bone-anchored hearing aids to brainstem implants. They give a valuable insight into current research to both researchers and clinicians.