[REM sleep behavior disorder: an overt access to motor and cognitive control during sleep].
Identifieur interne : 001952 ( Main/Exploration ); précédent : 001951; suivant : 001953[REM sleep behavior disorder: an overt access to motor and cognitive control during sleep].
Auteurs : I. Arnulf [France]Source :
- Revue neurologique [ 0035-3787 ] ; 2010.
English descriptors
- KwdEn :
- Aged, Cognition (physiology), Diagnosis, Differential, Electroencephalography, Humans, Movement (physiology), Parkinson Disease (complications), Polysomnography, REM Sleep Behavior Disorder (diagnosis), REM Sleep Behavior Disorder (epidemiology), REM Sleep Behavior Disorder (physiopathology), REM Sleep Behavior Disorder (psychology), Sleep Wake Disorders (diagnosis).
- MESH :
- complications : Parkinson Disease.
- diagnosis : REM Sleep Behavior Disorder, Sleep Wake Disorders.
- epidemiology : REM Sleep Behavior Disorder.
- physiology : Cognition, Movement.
- physiopathology : REM Sleep Behavior Disorder.
- psychology : REM Sleep Behavior Disorder.
- Aged, Diagnosis, Differential, Electroencephalography, Humans, Polysomnography.
Abstract
Rapid eye movement (REM) sleep behavior disorder (RBD) is characterized by violent, or potentially violent, movements during REM sleep, corresponding to enacted dreams. During sleep monitoring, there is a partial or total loss of the normal muscle atonia during REM sleep. REM sleep behavior disorder predominantly affects elderly subjects without any other disease (idiopathic RBD, a precursor of Parkinson disease and Lewy body dementia) or suffering from various neurological and neurodegenerative diseases, mainly synucleinopathies. In addition to being a treatable cause of nocturnal injury of the patients or their bed-partners, RBD is a fantastic window into motor and cognitive control during REM sleep. Notably, parkinsonism transiently disappears during RBD. The patient's voice is louder and better articulated than when awake, and movements are rapid (but jerky) suggesting that the deleterious message from the basal ganglia to the primary motor cortex is reduced or bypassed. As we observed culturally-acquired behaviors, retired patients practicing their former work with mastered gestures, as well as sentences pronounced with appropriate prosody, gesturing, fluency, and syntax during the RBD, we suggest that these behaviors are generated by the same cortical areas as during wakefulness. This model also enables the demonstration that REM during REM sleep are coded in the same direction as the arm and hand movements, as if the dreamer were scanning the dream images. This online access to the motor and verbal dream scenario (through the video and audio monitoring), and the physiological measures (via the EEG, eye movements, muscle tone, respiration, heart rate), together with the offline access to the mental content (dream report after the awakening) constitute a triangulation for validating new hypotheses about REM sleep and dreams.
DOI: 10.1016/j.neurol.2010.07.016
PubMed: 20801470
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">Rapid eye movement (REM) sleep behavior disorder (RBD) is characterized by violent, or potentially violent, movements during REM sleep, corresponding to enacted dreams. During sleep monitoring, there is a partial or total loss of the normal muscle atonia during REM sleep. REM sleep behavior disorder predominantly affects elderly subjects without any other disease (idiopathic RBD, a precursor of Parkinson disease and Lewy body dementia) or suffering from various neurological and neurodegenerative diseases, mainly synucleinopathies. In addition to being a treatable cause of nocturnal injury of the patients or their bed-partners, RBD is a fantastic window into motor and cognitive control during REM sleep. Notably, parkinsonism transiently disappears during RBD. The patient's voice is louder and better articulated than when awake, and movements are rapid (but jerky) suggesting that the deleterious message from the basal ganglia to the primary motor cortex is reduced or bypassed. As we observed culturally-acquired behaviors, retired patients practicing their former work with mastered gestures, as well as sentences pronounced with appropriate prosody, gesturing, fluency, and syntax during the RBD, we suggest that these behaviors are generated by the same cortical areas as during wakefulness. This model also enables the demonstration that REM during REM sleep are coded in the same direction as the arm and hand movements, as if the dreamer were scanning the dream images. This online access to the motor and verbal dream scenario (through the video and audio monitoring), and the physiological measures (via the EEG, eye movements, muscle tone, respiration, heart rate), together with the offline access to the mental content (dream report after the awakening) constitute a triangulation for validating new hypotheses about REM sleep and dreams.</div>
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