Interaural time difference sensitivity under binaural cochlear implant stimulation persists at high pulse rates up to 900 pps.

ABSTRACT: Spatial hearing remains one of the major challenges for bilateral cochlear implant (biCI) users, and early deaf patients in particular are often completely insensitive to interaural time differences (ITDs) delivered through biCIs. One popular hypothesis is that this may be due to a lack of early binaural experience. However, we have recently shown that neonatally deafened rats fitted with biCIs in adulthood quickly learn to discriminate ITDs as well as their normal hearing litter mates, and perform an order of magnitude better than human biCI users. Our unique behaving biCI rat model allows us to investigate other possible limiting factors of prosthetic binaural hearing, such as the effect of stimulus pulse rate and envelope shape. Previous work has indicated that ITD sensitivity may decli

SUBMITTER: Buck AN 

PROVIDER: S-EPMC9992369 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature