What is it about?
We carefully sequentially loudness balanced single electrodes across the ears in bilateral cochlear-implant users. Unexpectedly, when played simultaneously, sounds were not centered in the head.
Why is it important?
Loudness is a standard tool for programming a cochlear implant. This study shows that loudness may have little to do with spatial hearing in cochlear-implant users. Therefore, bilateral cochlear-implant programming tools may need to be based on where sounds are located, not how loud they are.
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This page is a summary of: Bilateral Loudness Balancing and Distorted Spatial Perception in Recipients of Bilateral Cochlear Implants, Ear & Hearing, January 2015, Wolters Kluwer Health, DOI: 10.1097/aud.0000000000000174.
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