Alpha-wave Characteristics in Psychophysiological Insomnia.
Electroencephalography
polysomnography
power-frequency variability
psychophysiological insomnia
Journal
Journal of medical signals and sensors
ISSN: 2228-7477
Titre abrégé: J Med Signals Sens
Pays: India
ID NLM: 101577416
Informations de publication
Date de publication:
Historique:
received:
28
10
2018
revised:
07
02
2019
accepted:
26
02
2019
entrez:
19
11
2019
pubmed:
19
11
2019
medline:
19
11
2019
Statut:
epublish
Résumé
Individuals with psychophysiological insomnia (Psych-Insomnia) would show raised cortical arousal through their initiating sleep. Frequent changes in the alpha activity can be indicative of visual cortical activation, even without visual stimulation or retinal input. Therefore, we aimed to investigate alpha-wave characteristics in Psych-Insomnia before and after sleep onset. In a case-control study, 11 individuals with Psych-Insomnia (age: 44.00 ± 13.27) and 11 age-, sex-, and body mass index-matched healthy individuals (age: 41.64 ± 15.89) were recruited for this study. An overnight polysomnography monitoring was performed. Alpha characteristics were calculated from wake before sleep onsets (WBSOs), wake after sleep onset, rapid eye movement, and nonrapid eye movement in the both groups. They include the alpha power and alpha frequency and their variability in the central region. In the WBSO, alpha activity and variability were higher in the Psych-Insomnia individuals compared to healthy individuals. In both groups, alpha frequency variability was observed at approximately 1 Hz. Alpha-wave synchronization in Psych-Insomnia individuals was higher than the group with normal sleep. Individuals with Psych-Insomnia have a lot of imagination in the wake before sleep, which can be caused by stress, everyday concerns, and daily concerns.
Identifiants
pubmed: 31737555
doi: 10.4103/jmss.JMSS_51_18
pii: JMSS-9-259
pmc: PMC6839435
doi:
Types de publication
Journal Article
Langues
eng
Pagination
259-266Informations de copyright
Copyright: © 2019 Journal of Medical Signals & Sensors.
Déclaration de conflit d'intérêts
There are no conflicts of interest.
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