Binaural interaction in a cochlear implant patient

Binaural interaction in a cochlear implant patient

Binaural interaction was demonstrated in electrically evoked brainstem responses (EBRs) of a bilaterally implanted patient. A clear binaural difference waveform (BD), consisting of a negative peak near 3.6 ms followed by a positive peak near 4.4 ms, was found by subtracting the recordings with dioti...

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Bibliographic Details
Published in:Hearing research Vol. 48; no. 3; p. 287
Main Authors: Pelizzone, M, Kasper, A, Montandon, P
Format: Journal Article
Language:English
Published: Netherlands 01-10-1990
Subjects:
Brain Stem - physiology
Cochlear Implants
Ear - physiology
Electric Stimulation
Evoked Potentials, Auditory
Female
Humans
Middle Aged
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Summary:Binaural interaction was demonstrated in electrically evoked brainstem responses (EBRs) of a bilaterally implanted patient. A clear binaural difference waveform (BD), consisting of a negative peak near 3.6 ms followed by a positive peak near 4.4 ms, was found by subtracting the recordings with diotic stimulation from the sum of the recordings with monotic stimulation. These results are consistent with those reported for normal subjects and suggest that neural processing in this patient might resemble those ordinarily used in binaural hearing. They strengthen the argument that EBRs in cochlear implant patients do result from activity in auditory brainstem neurons and suggest a method for aligning the positions of the intracochlear electrodes.
ISSN:0378-5955
DOI:10.1016/0378-5955(90)90069-2