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Published in: European Archives of Oto-Rhino-Laryngology 12/2022

10-05-2022 | Bilateral Vestibulopathy | Otology

Sound localization in patients with bilateral vestibulopathy

Authors: Olivier Peetermans, Bieke Dobbels, Griet Mertens, Julie Moyaert, Raymond van de Berg, Olivier Vanderveken, Paul Van de Heyning, Angélica Pérez Fornos, Nils Guinand, Marc J. W. Lammers, Vincent Van Rompaey

Published in: European Archives of Oto-Rhino-Laryngology | Issue 12/2022

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Abstract

Purpose

The goal of this study was to evaluate if bilaterally (partially) absent vestibular function during static sound localization testing, would have a negative impact on sound localization skills. Therefore, this study compared horizontal static sound localization skills of normal-hearing patients with bilateral vestibulopathy (BV) and healthy controls.

Methods

Thirteen normal-hearing patients with BV and thirteen age-matched healthy controls were included. Sound localization skills were tested using seven loudspeakers in a frontal semicircle, ranging from − 90° to + 90°. Sound location accuracy was analyzed using the root-mean-square error (RMSE) and the mean absolute error (MAE). To evaluate the severity of the BV symptoms, the following questionnaires were used: Dizziness Handicap Inventory (DHI), Oscillopsia severity questionnaire (OSQ), 12-item Spatial, Speech, and Qualities Questionnaire (SSQ12), and Health Utilities Index Mark 3 (HUI3).

Results

The RMSE and MAE were significantly larger (worse) in the BV group than in the healthy control group, with respective median RMSE of 4.6° and 0°, and a median MAE of 0.7° and 0°. The subjective reporting of speech perception, spatial hearing, and quality of life only demonstrated a moderate correlation between DHI (positive correlation) and HUI total score (negative correlation), and localization scores.

Conclusion

Static sound localization skills of patients with BV were only mildly worse compared to healthy controls. However, this difference was very small and therefore most likely due to impaired cognitive function. The vestibular system does not seem to have a modulating role in sound localization during static conditions, and its impact is negligible in contrast to the impact of hearing impairment. Furthermore, the subjective reporting of speech perception, spatial hearing, and quality of life was not strongly correlated with localization scores.
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Literature
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go back to reference Flourens P (1842) Expériences sur les canaux semi-circulaires des oiseaux. In: Baillière JB (ed) Recherches Expérimentales Sur Les Propriétés Et Les Fonctions Du Système Nerveux Les Animaux Vertébrès, 2nd edn. Imprimerie de Bourgogne et Martinet, Paris, pp 454–468 Flourens P (1842) Expériences sur les canaux semi-circulaires des oiseaux. In: Baillière JB (ed) Recherches Expérimentales Sur Les Propriétés Et Les Fonctions Du Système Nerveux Les Animaux Vertébrès, 2nd edn. Imprimerie de Bourgogne et Martinet, Paris, pp 454–468
42.
Metadata
Title
Sound localization in patients with bilateral vestibulopathy
Authors
Olivier Peetermans
Bieke Dobbels
Griet Mertens
Julie Moyaert
Raymond van de Berg
Olivier Vanderveken
Paul Van de Heyning
Angélica Pérez Fornos
Nils Guinand
Marc J. W. Lammers
Vincent Van Rompaey
Publication date
10-05-2022
Publisher
Springer Berlin Heidelberg
Published in
European Archives of Oto-Rhino-Laryngology / Issue 12/2022
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI
https://doi.org/10.1007/s00405-022-07414-7

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