Combined cochlear implant and hearing aid restores sound localization ability.

Evidence

However, if both hearing systems, i.e. CI plus HA are used, data displayed in the lower panel of Fig. 16.41 illustrate a remarkable ability to localize sounds despite the fact that the right ear receives electrical stimulation, but the left ear acoustical stimulation. — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 2007