References
Pierrot-Deseilligny C, Milea D (2005) Vertical nystagmus: clinical facts and hypotheses. Brain 128:1237–1246. https://doi.org/10.1093/brain/awh532
Wray SH, Martinez-Hernandez E, Dalmau J, Maheshwari A, Chen A, King S, Bishop Pitman M, Leigh RJ (2011) Paraneoplastic upbeat nystagmus. Neurology 77:691–693. https://doi.org/10.1212/WNL.0b013e318229e6a5
Johkura K, Kudo Y, Amano Y, Takahashi K (2015) Vestibular examinations in apogeotropic positional nystagmus caused by cerebellar tumor. Neurol Sci 36:1051–1052. https://doi.org/10.1007/s10072-015-2086-4
Choi JY, Kim JS (2019) Central positional nystagmus: characteristics and model-based explanations. Prog Brain Res 249:211–225. https://doi.org/10.1016/bs.pbr.2019.04.012
Murofushi T (2016) Clinical application of vestibular evoked myogenic potential (VEMP). Auris Nasus Larynx 43:367–376. https://doi.org/10.1016/j.anl.2015.12.006
Kim JI, Somers JT, Stahl JS, Bhidayasiri R, Leigh RJ (2000) Vertical nystagmus in normal subjects: effects of head position, nicotine and scopolamine. J Vestib Res 10:291–300
Acknowledgements
We thank Dr. David S. Zee of the Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA, for reviewing the manuscript.
Funding
No funding was received for this work.
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Conflict of interest
The authors have no conflicts of interest to disclose.
Ethical approval
This study was approved by the institutional ethics committee. Written informed consent was obtained from all patients.
Additional information
Publisher's Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Supplementary Information
Below is the link to the electronic supplementary material.
Rights and permissions
About this article
Cite this article
Johkura, K., Kudo, Y. & Takahashi, K. “Positional” upbeat nystagmus in medullary lesions. Acta Neurol Belg 122, 837–839 (2022). https://doi.org/10.1007/s13760-022-01882-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s13760-022-01882-8