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Cochlear Adult Simultaneous Bilateral Study

Cochlear Americas completed a study involving 33 participants who received bilateral cochlear implants during the same surgical procedure, known as simultaneous bilateral cochlear implantation.  The study consisted of the following tests:

  1. Speech Testing
  2. Sentences in Quiet
  3. Words in Quiet
  4. Sentences in Noise
  5. Localization Testing
  6. Subject Questionnaires

Adult Study Conclusions

  • Adult subjects demonstrated significant improvement in speech understanding in noisy environments
  • Adult subjects demonstrated significant improvement in speech understanding in quiet environments
  • All subjects demonstrated improved localization ability
  • All subjects report significant improvements in performance with two cochlear implants

Download and print PDF of the Bilateral Adult report

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