An overview of binaural advantages for children and adults who use binaural/bimodal hearing devices

Teresa Y C Ching*, Paula Incerti, Mandy Hill, Emma Van Wanrooy

*Corresponding author for this work

Research output: Contribution to journalArticle

77 Citations (Scopus)


Aim: The aim of this paper was to summarize the binaural advantages for sentence perception in noise and sound localization obtained by children and adults who wore a cochlear implant (CI) and a hearing aid in opposite ears (bimodal hearing devices). Patients and Methods: We evaluated the speech perception and sound localization ability of 29 children and 21 adults who received a Nucleus CI system in one ear and wore a hearing aid in the other ear. All subjects used hearing aids that were adjusted systematically to complement their CIs. Performance with a CI and a hearing aid was compared with that with a CI alone. Results: On average, both children and adults derived binaural advantages relating to binaural redundancy and head shadow for sentence perception in noise. Neither the degree of hearing loss nor the duration of use of bimodal hearing devices was significantly related to the amount of binaural speech benefits. Both groups also located sounds better with CI and a hearing aid than with CI alone. Conclusions: The evidence supports the implementation of binaural/bimodal fittings as the standard management of children and adults who receive a unilateral CI and who have residual hearing in the nonimplanted ear.

Original languageEnglish
Pages (from-to)6-11
Number of pages6
JournalAudiology and Neurotology
Issue numberSUPPL. 1
Publication statusPublished - Oct 2006
Externally publishedYes


  • Bimodal hearing
  • Binaural hearing
  • Cochlear implants
  • Hearing aids
  • Sound localization
  • Speech perception

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