Polysomnographic features of REM sleep behavior disorder
Development of a scoring method
Abstract
REM sleep behavior disorder (RBD) is characterized by the intermittent absence of REM sleep EMG atonia and the appearance of elaborate motor activity associated with dream mentation. There are no specific diagnostic criteria for RBD based upon polysomnographic findings. We describe a new scoring method and show its sensitivity to treatment with clonazepam. An increased phasic submental EMG density occurs in RBD patients, but REM density is similar to that of controls. Clonazepam selectively decreases REM sleep phasic activity but exerts no effect on REM sleep atonia. Periodic limb movements in sleep (PLMS) occur equally in both REM and NREM sleep in RBD patients, suggesting that normal suppression of PLMS in REM sleep is due to motor inhibition.
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© 1992 by the American Academy of Neurology.
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Published online: July 1, 1992
Published in print: July 1992
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- REM sleep without atonia and neurocognitive function in isolated REM sleep behaviour disorder: Cross‐sectional and longitudinal study , Journal of Sleep Research, (2024).https://doi.org/10.1111/jsr.14336
- Rapid Eye Movement Sleep Behavior Disorder, Sleep Medicine Clinics, 19, 1, (71-81), (2024).https://doi.org/10.1016/j.jsmc.2023.10.004
- Clinical neurophysiology of REM parasomnias: Diagnostic aspects and insights into pathophysiology, Clinical Neurophysiology Practice, 9, (53-62), (2024).https://doi.org/10.1016/j.cnp.2023.10.003
- The evolution of REM sleep without atonia diagnostic thresholds in isolated REM sleep behavior disorder, Journal of Clinical Sleep Medicine, (2023).https://doi.org/10.5664/jcsm.10962
- Management of REM sleep behavior disorder: an American Academy of Sleep Medicine systematic review, meta-analysis, and GRADE assessment, Journal of Clinical Sleep Medicine, 19, 4, (769-810), (2023).https://doi.org/10.5664/jcsm.10426
- Practical Issues With Clonazepam Use, Journal of Korean Neuropsychiatric Association, 62, 1, (21), (2023).https://doi.org/10.4306/jknpa.2023.62.1.21
- Ikelos-RWA. Validation of an Automatic Tool to Quantify REM Sleep Without Atonia, Clinical EEG and Neuroscience, 55, 6, (657-664), (2023).https://doi.org/10.1177/15500594231175320
- Prognostic biomarkers in prodromal α-synucleinopathies: DAT binding and REM sleep without atonia, Journal of Neurology, Neurosurgery & Psychiatry, 94, 7, (532-540), (2023).https://doi.org/10.1136/jnnp-2022-330048
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