Abstract
Ocular vestibular-evoked myogenic potentials (oVEMP) using the belly-tendon (BT) electrode montage have well-documented superiority over other montages in healthy adults. However, little is known about its clinical superiority, especially in disorders with rock-bottom response rates, like Auditory Neuropathy Spectrum Disorders (ANSD). Therefore, this study aimed to compare the response parameters of oVEMP to 500 Hz tone bursts from BT, infra-orbital (IO), chin-referenced (CR), and sternum-referenced (SR) electrode montages, between 30 adults with ANSD and 30 age-matched controls. Similar to the well-documented superior response characteristics in healthy adults, the BT montage showed superior response characteristics in ANSD, too. Additionally, the BT montage showed better inter-group discriminability than the IO montage. With a higher response rate, larger peak-to-peak amplitude, and better potency in discriminating a pathological condition from the controls, BT montage affirms clinical superiority over the other electrode montages for recording oVEMPs.
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Data availability
The datasets generated and/or analysed during the current study are part of the doctoral thesis of the first author and have been deposited in the institutional repository in accordance with the institute’s research policy. Therefore, the datasets are not publicly available due to confidentiality requirements. However, the data can be obtained from the corresponding author upon reasonable request.
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Acknowledgements
The authors would like to thank the University of Mysore, the Director, All India Institute of Speech and Hearing, and the HOD Audiology, All India Institute of Speech and Hearing, Mysuru, for providing the necessary infrastructure and permission to carry out this research work. The authors also express their gratitude to all participants of the study who unconditionally agreed to participate and extended their cooperation throughout this study. The authors would also like to thank the members of the Doctoral Committee for their support and guidance.
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The manuscript is a part of the first author’s doctoral thesis.
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RKR contributed to the study design, data acquisition, statistical analysis, result interpretation, and prepared the original draft. NKS contributed to the study design, interpretation of the results, supervised the study, and revised the manuscript for important intellectual content. Both authors reviewed and approved the final manuscript.
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Raveendran, R.K., Singh, N.K. Clinical superiority of belly-tendon montage over others for recording air-conducted ocular vestibular evoked myogenic potential. Sci Rep (2026). https://doi.org/10.1038/s41598-026-35914-7
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DOI: https://doi.org/10.1038/s41598-026-35914-7


