Open AccessEffectiveness of Place-based Mapping in Electric-Acoustic Stimulation Devices
Author(s) -
Margaret T. Dillon,
Michael W Canfarotta,
Emily Buss,
Joseph B. Hopfinger,
Brendan P. O’Connell
Publication year - 2021
Publication title -
otology and neurotology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.147
H-Index - 104
eISSN - 1537-4505
pISSN - 1531-7129
DOI - 10.1097/mao.0000000000002965
Subject(s) - cochlear implant , octave (electronics) , computer science , active listening , speech recognition , acoustics , medicine , audiology , physics , communication , sociology
The default mapping procedure for electric-acoustic stimulation (EAS) devices uses the cochlear implant recipient's unaided detection thresholds in the implanted ear to derive the acoustic settings and assign the lowest frequency filter of electric stimulation. Individual differences for speech recognition with EAS may be due to discrepancies between the electric frequency filters of individual electrode contacts and the cochlear place of stimulation, known as a frequency-to-place mismatch. Frequency-to-place mismatch of greater than 1/2 octave has been demonstrated in up to 60% of EAS users. Aligning the electric frequency filters via a place-based mapping procedure using postoperative imaging may improve speech recognition with EAS.