Data availability
Anonymized data will be shared by request from any qualified investigator.
References
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Funding
This study was supported by the National Research Foundation of Korea (NRF) grant funded by the Ministry of Science and ICT (No. NRF-2021R1F1A1061527).
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Contributions
Kim HJ analyzed and interpreted the data and wrote the manuscript. Gil YE analyzed and interpreted the data and revised the manuscript. Kim JS designed and conceptualized the study, interpreted the data, and revised the manuscript.
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Dr. J. S. Kim serves as an associate editor of Frontiers in Neuro-otology and on the editorial boards of Frontiers in Neuro-ophthalmology, Journal of Neuro-ophthalmology, Journal of Vestibular Research, and Clinical and Translational Neuroscience. The other authors have nothing to disclose.
Ethical standard
This study followed the tenets of the Declaration of Helsinki and was performed according to the guidelines of the Institutional Review Board of Chungbuk National University Hospital (CBNUH 2023-12-006).
Supplementary Information
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Supplementary figure. Result of video head impulse test. Video head impulse tests were normal for all the six semicircular canals. Video 1. The patient shows no nystagmus during the right Dix-Hallpike and half Dix-Hallpike maneuvers and on sitting upright from the right half Dix-Hallpike maneuver and head bending forward while sitting, but exhibits upbeat and clockwise torsional beating nystagmus during the augmented half Dix-Hallpike maneuver. (JPG 275 KB)
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Kim, HJ., Gil, YE. & Kim, JS. Subjective BPPV revisited: identification of positional nystagmus with a new maneuver. J Neurol (2024). https://doi.org/10.1007/s00415-024-12347-8
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DOI: https://doi.org/10.1007/s00415-024-12347-8