Changing stimulation patterns can change the broadness of contralateral masking functions for bilateral cochlear implant users

Publication date: Available online 7 March 2018
Source:Hearing Research
Author(s): Daniel H. Lee, Justin M. Aronoff
Past studies have found that contralateral masking functions are sharper than ipsilateral masking functions for cochlear implant (CI) users. This could suggest that contralateral masking effects are only sensitive to the peak of the masker stimulation for this population. To determine if that is the case, this study investigated whether using broader stimulation patterns affects the broadness of the contralateral masking function. Contralateral masking functions were measured for six bilateral CI users using both a broad and narrow masker. Results revealed that the broad masker resulted in a broader contralateral masking function. This would suggest that stimulation outside of the peak of the masker affects contralateral masking functions for CI users.



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