Cortical activation in REM behavior disorder mimics voluntary movement. An electroencephalography study

IF 3.7 3区 医学 Q1 CLINICAL NEUROLOGY Clinical Neurophysiology Pub Date : 2024-08-12 DOI:10.1016/j.clinph.2024.08.004
Oscar Manzanilla , Manuel Alegre , Alejandro Horrillo-Maysonnial , Elena Urrestarazu , Miguel Valencia
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引用次数: 0

Abstract

Objectives

Motor symptoms of Parkinson’s disease improve during REM sleep behavior disorder movement episodes. Our aim was to study cortical activity during these movement episodes, in patients with and without Parkinson’s disease, in order to investigate the cortical involvement in the generation of its electromyographic activity and its potential relationship with Parkinson’s disease.

Methods

We looked retrospectively in our polysomnography database for patients with REM sleep behavior disorder, analyzing fifteen patients in total, seven with idiopathic REM sleep behavior disorder and eight associated with Parkinson’s disease. We selected segments of REM sleep with the presence of movements (evidenced by electromyographic activation), and studied movement-related changes in cortical activity by averaging the electroencephalographic signal (premotor potential) and by means of time/frequency transforms.

Results

We found a premotor potential and an energy decrease of alpha–beta oscillatory activity preceding the onset of electromyographic activity, together with an increase of gamma activity for the duration of the movement. All these changes were similarly present in REM sleep behavior disorder patients with and without Parkinson’s disease.

Conclusions

Movement-related changes in electroencephalographic activity observed in REM sleep behavior disorder are similar to those observed during voluntary movements, regardless of the presence of Parkinson’s disease motor symptoms.

Significance

These results suggest a main involvement of the cortex in the generation of the movements during REM sleep.

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快速眼动行为障碍的皮层激活模仿自主运动。脑电图研究
目的 帕金森病的运动症状在快速眼动睡眠行为障碍运动发作时有所改善。我们的目的是研究帕金森病患者和非帕金森病患者在这些运动发作期间的大脑皮层活动,以研究大脑皮层参与肌电活动的产生及其与帕金森病的潜在关系。方法 我们在多导睡眠图数据库中回顾性地查找了快速眼动睡眠行为障碍患者,共分析了 15 名患者,其中 7 人患有特发性快速眼动睡眠行为障碍,8 人与帕金森病有关。我们选取了快速眼动睡眠中出现运动的片段(以肌电图激活为证据),通过平均脑电信号(前运动电位)和时间/频率变换来研究皮质活动中与运动相关的变化。结论在快速眼动睡眠行为障碍中观察到的与运动相关的脑电活动变化与自主运动时观察到的变化相似,无论是否存在帕金森病运动症状。
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来源期刊
Clinical Neurophysiology
Clinical Neurophysiology 医学-临床神经学
CiteScore
8.70
自引率
6.40%
发文量
932
审稿时长
59 days
期刊介绍: As of January 1999, The journal Electroencephalography and Clinical Neurophysiology, and its two sections Electromyography and Motor Control and Evoked Potentials have amalgamated to become this journal - Clinical Neurophysiology. Clinical Neurophysiology is the official journal of the International Federation of Clinical Neurophysiology, the Brazilian Society of Clinical Neurophysiology, the Czech Society of Clinical Neurophysiology, the Italian Clinical Neurophysiology Society and the International Society of Intraoperative Neurophysiology.The journal is dedicated to fostering research and disseminating information on all aspects of both normal and abnormal functioning of the nervous system. The key aim of the publication is to disseminate scholarly reports on the pathophysiology underlying diseases of the central and peripheral nervous system of human patients. Clinical trials that use neurophysiological measures to document change are encouraged, as are manuscripts reporting data on integrated neuroimaging of central nervous function including, but not limited to, functional MRI, MEG, EEG, PET and other neuroimaging modalities.
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