ABSTRACT
The total number of cochlear implant (CI) recipients worldwide is now approaching
200,000. Most current CI users attain an adequate ability to understand speech using
the implant alone, despite having had at least severe to profound hearing impairment
in both ears preoperatively. The satisfactory technical performance of modern CI systems,
at least in favorable listening conditions, has resulted in an increasing proportion
of CI recipients having usable acoustic hearing postoperatively in one ear, or even
in both ears. Many studies have confirmed that, in general, the simultaneous use of
acoustic and electric hearing can provide perceptual benefits in comparison to the
use of a CI alone. An especially important advantage conferred by the use of acoustic
hearing is the potentially improved ability of CI recipients to perceive musical sounds.
In particular, the perception of pitch, which is usually not provided adequately by
today's CI systems, can be enhanced when sounds are heard acoustically by CI users
with sufficient hearing sensitivity.
KEYWORDS
Cochlear implants - pitch - music perception - bimodal hearing
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Hugh McDermottPh.D.
Institute Deputy Director (Research), The Bionic Ear Institute
384–388 Albert Street, East Melbourne 3002, Australia
Email: hmcdermott@bionicear.org
