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Prosem Lecture: The Relationship Between Spatial Release from Masking and Listening Effort Among Cochlear Implant Users with Single-Sided Deafness

April 19 @ 12:00 pm - 1:00 pm

Presenter: Lukas Suveg, Au.D., Doctoral Student, Project Assistant, Binaural Hearing and Speech Lab, Department of Communication Sciences and DisordersUniversity of Wisconsin – Madison
Topic: The Relationship Between Spatial Release from Masking and Listening Effort Among Cochlear Implant Users with Single-Sided Deafness

Lukas Suveg, Au.D.
Lukas Suveg, Au.D.

Listeners demonstrate spatial release from m asking (SRM) when target and masker sounds are spatially separated vs. co-located. Listeners with Single-Sided Deafness (SSD) have unilateral hearing. One consequence is that they struggle when hearing in noisy environments. A growing number of patients with SSD are opting for a CI in their deaf ear to regain access to sound in both ears. Previous work has shown that some SSD CI listeners are able to achieve SRM and improved speech understanding with the addition of the CI, while others show a decrease in performance with the CI compared to listening with their acoustic ear alone. Prior work has also shown that listening in noise is more effortful for SSD CI listeners than normal hearing (NH) listeners. NH listeners also report reduced listening effort when listening to simulated spatially separated sounds compared to simulated co-located sounds. This important effect has not been studied in SSD CI listeners, specifically in more realistic environments like the soundfield. We investigated whether the difference between an SSD CI listener’s acoustic and CI ears influences the amount of SRM they demonstrate, and whether a reduction in listening effort accompanies any observed SRM.

This work was supported by NIH-NIDCD grant R01DC003083 to Ruth Y. Litovsky, and in part by a core grant from the NIH-NICHD (U54 HD090256 to Waism an Center). In addition, funds from Med-EL provided partial travel support for participants. This study was part of a clinical trial sponsored by Med-El
(https://www.clinicaltrials.gov/ct2/show/NCT02532972?cond =cochlear+implant+single+sided&draw=2&rank=7).

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Details

Date:
April 19
Time:
12:00 pm - 1:00 pm
Event Category:

Venue

Online: Zoom