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Sound localization measured by eye-tracking

Volck, Alexander C; Laske, Roman D; Litschel, Ralph; Probst, Rudolf; Tasman, Abel-Jan (2015). Sound localization measured by eye-tracking. International Journal of Audiology, 54(12):976-983.

Abstract

OBJECTIVE: To introduce a new method of measuring sound localization ability based on eye-tracking and to test this method by analysing the influence of mild induced conductive hearing loss on sound localization.
DESIGN: Sound signals were presented from different angles, and the participant's responses were measured using an eye-tracking device. For validation, a comparison of responses to visual stimuli was performed. To test the clinical application of this method, a mild conductive hearing loss was simulated, and the impact of this change on sound localization was measured.
STUDY SAMPLE: Fifteen participants.
RESULTS: The system provided repeatable measurements, and there was a good correlation of sound and visual signals. A large number of trials could be completed fairly rapidly. Following the induced conductive hearing loss, a decline of 5.5° in the accuracy of sound localization in the horizontal plane was found towards the side of the non-impaired ear for frontal presentations.
CONCLUSIONS: Quantifying sound localization by eye-tracking was found to be feasible, fast and accurate. A mild conductive hearing loss caused a slight degradation of sound localization accuracy within the 30° frontal sector, which is in good agreement with results found using methods requiring more extensive instrumentation.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Otorhinolaryngology
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Social Sciences & Humanities > Language and Linguistics
Social Sciences & Humanities > Linguistics and Language
Health Sciences > Speech and Hearing
Language:English
Date:November 2015
Deposited On:22 Dec 2015 13:58
Last Modified:10 Nov 2024 04:35
Publisher:Taylor & Francis
ISSN:1499-2027
OA Status:Closed
Publisher DOI:https://doi.org/10.3109/14992027.2015.1088968
PubMed ID:26576626

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