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Sensitivity to binaural temporal-envelope beats with single-sided deafness and a cochlear implant as a measure of tonotopic match (L)
- Source :
- J Acoust Soc Am
- Publication Year :
- 2020
-
Abstract
- For cochlear-implant users with near-normal contralateral hearing, a mismatch between the frequency-to-place mapping in the two ears could produce a suboptimal performance. This study assesses tonotopic matches via binaural interactions. Dynamic interaural time-difference sensitivity was measured using bandpass-filtered pulse trains at different rates in the acoustic and implanted ear, creating binaural envelope beats. Sensitivity to beats should peak when the same tonotopic region is stimulated in both ears. All nine participants detected dynamic interaural timing differences and demonstrated some frequency selectivity. This method provides a guide to frequency-to-place mapping without compensation for inherent latency differences between the acoustic and implanted ears.
- Subjects :
- medicine.medical_specialty
Frequency selectivity
Acoustics and Ultrasonics
Computer science
medicine.medical_treatment
Audiology
Deafness
03 medical and health sciences
0302 clinical medicine
Arts and Humanities (miscellaneous)
Cochlear implant
medicine
otorhinolaryngologic diseases
Humans
030223 otorhinolaryngology
Letters to the Editor
Extramural
Hearing Tests
Pulse (music)
Cochlear Implantation
Cochlear Implants
Acoustic Stimulation
Speech Perception
sense organs
Tonotopy
Sensitivity (electronics)
Binaural recording
030217 neurology & neurosurgery
Envelope (motion)
Subjects
Details
- ISSN :
- 15208524
- Volume :
- 147
- Issue :
- 5
- Database :
- OpenAIRE
- Journal :
- The Journal of the Acoustical Society of America
- Accession number :
- edsair.doi.dedup.....e027c566c7074d125ac09539468735a1