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Otol Neurotol. 2002 Sep;23(5):710-4.

Speech reception thresholds obtained in a symmetrical four-loudspeaker arrangement from bilateral users of MED-EL cochlear implants.

Author information

1
Ear, Nose, and Throat Clinic, University of Würzburg, Germany. franz_schoen@gmx.de

Abstract

OBJECTIVE:

The purpose of the study was to investigate speech reception in noise in subjects who had undergone bilateral implantation with multichannel cochlear implants.

METHODS:

Nine adults with bilateral MED-EL implants were included in the study. The subjects were tested using both implants and the better implant only. Tests were performed in a symmetrical setup, which ideally eliminates any head shadow effect. Speech tests included sentences in quiet and at various signal-to-noise ratios. From the results, the gain in signal-to-noise ratios at the speech reception threshold was determined.

RESULTS:

All subjects showed a substantial gain in signal-to-noise ratios of approximately 4 dB on average. In addition, the gain in signal-to-noise ratios was essentially stable for as long as 4.4 years.

CONCLUSIONS:

The results indicate that bilateral cochlear implant users are able to binaurally process speech.

[Indexed for MEDLINE]

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