Conscious experiences during non-rapid eye movement sleep parasomnias.

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Version: Final published version
License: CC BY 4.0
Serval ID
serval:BIB_1E0C1075D121
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Conscious experiences during non-rapid eye movement sleep parasomnias.
Journal
Neuroscience and biobehavioral reviews
Author(s)
Castelnovo A., Siclari F., Spaggiari S., Borth D., Manconi M., Arnulf I., Schenck C.H.
ISSN
1873-7528 (Electronic)
ISSN-L
0149-7634
Publication state
Published
Issued date
12/2024
Peer-reviewed
Oui
Volume
167
Pages
105919
Language
english
Notes
Publication types: Journal Article ; Review
Publication Status: ppublish
Abstract
Disorders of Arousal (DOA) are non-rapid eye movement (NREM) parasomnias traditionally regarded as unconscious states. However, recent research challenges this assumption. This narrative review aims to explore the presence and qualitative features of conscious experiences in patients with DOA during their episodes. The literature indicates a higher recall of conscious experiences during DOA episodes than previously believed, estimated at about 50-60 % in adults (immediately post-episode). Data on children are limited but suggest a lower recall rate (<30 % when interviewed retrospectively). Patient reports range from brief scenic fragments to elaborate scenarios with plot development, often fraught with negative emotions and misfortunes and with considerable correspondence between subjective experiences and observed behaviors. In many of the described cases, patients appear to enact their dreams, entering a hallucinatory state where internally generated images overlay external percepts. The potential implications for clinical management, research endeavors, and legal considerations regarding nocturnal violence, along with existing limitations and controversial points, are discussed.
Keywords
Humans, Consciousness/physiology, Parasomnias/physiopathology, Dreams/physiology, Hallucinations/physiopathology, Mental Recall/physiology, Sleep Arousal Disorders/physiopathology, Confusional arousals, Consciousness, Dreams, EEG, Night terrors, Polysomnography, Recall, Sleepwalking
Pubmed
Web of science
Open Access
Yes
Create date
25/10/2024 13:06
Last modification date
14/12/2024 7:23
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