ArticleJournal of the Association for Research in Otolaryngology : JARO2018
Introducing Short Interpulse Intervals in High-Rate Pulse Trains Enhances Binaural Timing Sensitivity in Electric Hearing.
Article in Journal of the Association for Research in Otolaryngology : JARO, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Lateralization of binaural envelope cues measured with a mobile cochlear-implant research processora).The Journal of the Acoustical Society of America · 2023Article
- Pitch discrimination in electric hearing with inconsistent and consistent amplitude-modulation and inter-pulse rate cues.The Journal of the Acoustical Society of America · 2023Article
- Interaural time difference sensitivity under binaural cochlear implant stimulation persists at high pulse rates up to 900 pps.Scientific reports · 2023Article
- Reweighting of Binaural Localization Cues in Bilateral Cochlear-Implant Listeners.Journal of the Association for Research in Otolaryngology : JARO · 2022Article
- Auditory Brainstem Models: Adapting Cochlear Nuclei Improve Spatial Encoding by the Medial Superior Olive in Reverberation.Journal of the Association for Research in Otolaryngology : JARO · 2021Article
- Microsecond interaural time difference discrimination restored by cochlear implants after neonatal deafness.eLife · 2021Article
- Temporal-pitch sensitivity in electric hearing with amplitude modulation and inserted pulses with short inter-pulse intervals.The Journal of the Acoustical Society of America · 2020Article
- Improving Interaural Time Difference Sensitivity Using Short Inter-pulse Intervals with Amplitude-Modulated Pulse Trains in Bilateral Cochlear Implants.Journal of the Association for Research in Otolaryngology : JARO · 2020Article
- Improved Neural Coding of ITD with Bilateral Cochlear Implants by Introducing Short Inter-pulse Intervals.Journal of the Association for Research in Otolaryngology : JARO · 2018Article
- Limitations on Temporal Processing by Cochlear Implant Users: A Compilation of Viewpoints.Trends in hearingReview
- Article
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Authors and funding
4 authors.
Funding
Abstract
Common envelope-based stimulation strategies for cochlear implants (CIs) use relatively high carrier rates in order to properly encode the speech envelope. For such rates, CI listeners show poor sensitivity to interaural time differences (ITDs), which are important for horizontal-plane sound localization and spatial unmasking of speech. Based on the findings from previous studies, we predicted that ITD sensitivity can be enhanced by including pulses with short interpulse intervals (SIPIs), to a 1000-pulses-per-second (pps) reference pulse train. We measured the sensitivity of eight bilateral CI listeners to ITD while systematically varying both the rate at which SIPIs are introduced ("SIPI rate") and the time interval between the two pulses forming a SIPI ("SIPI fraction"). Results showed largely enhanced ITD sensitivity relative to the reference condition, with the size of the improvement increasing with decreasing SIPI rate and decreasing SIPI fraction. For the lowest SIPI fraction, insertion of extra pulses brought ITD sensitivity to the level measured for low-rate pulse trains with rates matching the SIPI rates. The results appear promising for the goal of enhancing ITD sensitivity with envelope-based CI strategies by inserting SIPI pulses at strategic times in speech stimuli.
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