Bilateral and Unilateral Cochlear Implant Users Compared on Speech Perception in Noise

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Abstract

Objective:

Compare speech performance in noise with matched bilateral cochlear implant (CICI) and unilateral cochlear implant (CI only) users.

Design:

Thirty CICI and 30 CI-only subjects were tested on a battery of speech perception tests in noise that use an eight-loudspeaker array.

Results:

On average, CICI subject's performance with speech in noise was significantly better than the CI-only subjects.

Conclusion:

The CICI group showed significantly better performance on speech perception in noise compared with the CI-only subjects, supporting the hypothesis that CICI is more beneficial than CI only.

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