Open AccessWideband Acoustic Immittance in Cochlear Implant Recipients: Reflectance and Stapedial Reflexes
Author(s) -
Rachel A. Scheperle,
Joshua J. Hajicek
Publication year - 2019
Publication title -
ear and hearing
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.577
H-Index - 109
eISSN - 1538-4667
pISSN - 0196-0202
DOI - 10.1097/aud.0000000000000810
Subject(s) - acoustic reflex , tympanometry , middle ear , reflex , reflectivity , audiology , wideband , immittance , medicine , materials science , hearing loss , anatomy , audiometry , optics , physics , anesthesia , engineering , electrical engineering
to characterize differences in wideband power reflectance for ears with and without cochlear implants (CIs), to describe electrically evoked stapedial reflex (eSR)-induced changes in reflectance, and to evaluate the benefit of a broadband probe for reflex threshold determination for CI recipients. It was hypothesized that reflectance patterns in ears with CIs would be consistent with increased middle ear stiffness and that reflex thresholds measured with a broadband probe would be lower compared with thresholds obtained with a single-frequency probe.