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European Archives of Oto-Rhino-Laryngology

Published in:

14-10-2023 | Tinnitus | Otology

Normal linear and non-linear cochlear mechanisms and efferent system functioning in individuals with misophonia

Authors: Urs Suraj, Kavassery Venkateswaran Nisha, Prashanth Prabhu

Published in: European Archives of Oto-Rhino-Laryngology | Issue 4/2024

Abstract

Background

Misophonia, a condition characterized by heightened sensitivity and strong emotional reactions to specific sounds, has sparked considerable interest and debate regarding its underlying auditory mechanisms. The study aimed to understand the auditory underpinnings of two such potential inner ear systems, non-linear and linear outer hair cell functioning along with auditory efferent functioning in individuals with misophonia.

Methods

40 ears with misophonia (20 participants) and 37 ears without misophonia (20 participants), both having normal hearing sensitivity were included in this study. Transient evoked otoacoustic emissions (TEOAEs) and distortion product otoacoustic emissions (DPOAEs) were obtained in two conditions (with and without contralateral noise).

Results

Results of independent-samples t-test showed no statistically significant difference (p > 0.05) in the absolute amplitudes of both TEOAEs and DPOAEs between the individuals with and without misophonia. There was no statistically significant difference (p > 0.05) observed in the magnitude of suppression amplitude between the two groups for in both TEOAEs and DPOAEs between individuals with and without misophonia.

Conclusion

These results suggest that the cochlear and efferent auditory underpinnings examined in this study may not be major contributors to the development or manifestation of misophonia.

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Title: Normal linear and non-linear cochlear mechanisms and efferent system functioning in individuals with misophonia
Authors: Urs Suraj
Kavassery Venkateswaran Nisha
Prashanth Prabhu
Publication date: 14-10-2023
Publisher: Springer Berlin Heidelberg
Keyword: Tinnitus
Published in: European Archives of Oto-Rhino-Laryngology / Issue 4/2024
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI: https://doi.org/10.1007/s00405-023-08273-6

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Normal linear and non-linear cochlear mechanisms and efferent system functioning in individuals with misophonia

Abstract

Background

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusion

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