The use of interaural time and level difference cues by bilateral cochlear implant users

Justin M. Aronoff; Yang Soo Yoon; Daniel J. Freed; Andrew J. Vermiglio; Ivan Pal; Sigfrid D. Soli

doi:10.1121/1.3298451

The use of interaural time and level difference cues by bilateral cochlear implant users

Justin M. Aronoff, Yang Soo Yoon, Daniel J. Freed, Andrew J. Vermiglio, Ivan Pal, Sigfrid D. Soli

Research output: Contribution to journal › Article › peer-review

Abstract

While considerable evidence suggests that bilateral cochlear implant (CI) users' sound localization abilities rely primarily on interaural level difference (ILD) cues, and only secondarily, if at all, on interaural time difference (ITD) cues, this evidence has largely been indirect. This study used head-related transfer functions (HRTFs) to independently manipulate ITD and ILD cues and directly measure their contribution to bilateral CI users' localization abilities. The results revealed a strong reliance on ILD cues, but some CI users also made use of ITD cues. The results also suggest a complex interaction between ITD and ILD cues.

Original language	English (US)
Pages (from-to)	EL87-EL92
Journal	Journal of the Acoustical Society of America
Volume	127
Issue number	3
DOIs	https://doi.org/10.1121/1.3298451
State	Published - 2010
Externally published	Yes

ASJC Scopus subject areas

Arts and Humanities (miscellaneous)
Acoustics and Ultrasonics

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10.1121/1.3298451

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abstract = "While considerable evidence suggests that bilateral cochlear implant (CI) users' sound localization abilities rely primarily on interaural level difference (ILD) cues, and only secondarily, if at all, on interaural time difference (ITD) cues, this evidence has largely been indirect. This study used head-related transfer functions (HRTFs) to independently manipulate ITD and ILD cues and directly measure their contribution to bilateral CI users' localization abilities. The results revealed a strong reliance on ILD cues, but some CI users also made use of ITD cues. The results also suggest a complex interaction between ITD and ILD cues.",

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AU - Yoon, Yang Soo

AU - Freed, Daniel J.

AU - Vermiglio, Andrew J.

AU - Pal, Ivan

AU - Soli, Sigfrid D.

N1 - Funding Information: We thank our participants for their time and effort. This work was supported by the NIH under Grant No. R44DC005759.

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The use of interaural time and level difference cues by bilateral cochlear implant users

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