Electroencephalographic Finding in Idiopathic REM Sleep Behavior Disorder.

Neuropsychobiology
Yuichi InoueKoichi Hirata

Abstract

The REM sleep behavior disorder (RBD) is a type of parasomnia manifested by vivid, often frightening dreams associated with motor behaviors during REM sleep, sometimes causing injuries to patients themselves or to their bed partners. The polysomnographic features of RBD include increased muscle activity during REM sleep (REM sleep without atonia). The majority of RBD-affected persons are older men. The disorder might be idiopathic (iRBD) or secondary to neurological disorders of various kinds. iRBD management with pharmaceutical measures is usually straightforward and effective. Several longitudinal studies have revealed that a high proportion of iRBD patients convert to α-synucleinopathies such as Parkinson's disease and dementia with Lewy body disease (DLB). Considering this, many studies have been conducted to identify common clinical markers between α-synucleinopathies and iRBD or indicators for the future development of α-synucleinopathies in iRBD patients. In this context, electroencephalographic (EEG) slowing occurring while awake and asleep, which is frequently observed in DLB, has received much attention. Clarification of the association between EEG slowing and the presence of mild cognitive impairment, which is also c...Continue Reading

Citations

Mar 11, 2009·The Medical Clinics of North America·Lori A Panossian, Alon Y Avidan
Oct 20, 2015·Current Psychiatry Reports·Verna R PorterAlon Y Avidan
Jan 16, 2021·Nature and Science of Sleep·Danielle WassermanIvana Rosenzweig

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