Linking stages of non-rapid eye movement sleep to the spectral EEG markers of the drives for sleep and wake
| Autor: | Olga Tkachenko, Arcady A. Putilov, Svetlana S. Gruzdeva, A. O. Taranov, Dmitry S. Sakharov, Z. V. Bakaeva, Vladimir B. Dorokhov, D S Sveshnikov |
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| Rok vydání: | 2021 |
| Předmět: |
Adult
Male medicine.medical_specialty Adolescent Physiology Polysomnography Polysomnogram Sleep staging Wake Audiology Electroencephalography Non-rapid eye movement sleep Young Adult Medicine Humans Wakefulness Cerebral Cortex Principal Component Analysis medicine.diagnostic_test business.industry General Neuroscience Sleep in non-human animals Biological Variation Population Female Sleep Stages business Factor Analysis Statistical psychological phenomena and processes |
| Zdroj: | Journal of neurophysiology. 126(6) |
| ISSN: | 1522-1598 |
| Popis: | The conventional staging classification reduces all patterns of sleep polysomnogram signals to a small number of yes-or-no variables labeled wake or a stage of sleep (e.g., W, N1, N2, N3, and R for wake, the first, second, and third stages of non-rapid eye movement sleep and rapid eye movement sleep, respectively). However, the neurobiological underpinnings of such stages remained to be elucidated. We tried to evaluate their link to scores on the first and second principal components of the EEG spectrum (1PCS and 2PCS), the markers of two major groups of promoters/inhibitors of sleep/wakefulness delineated as the drives for sleep and wake, respectively. On two occasions, polysomnographic records were obtained from 69 university students during 50-min afternoon naps and 30-s stage epochs were assigned to 1PCS and 2PCS. Results suggested two dimensionality of the structure of individual differences in amounts of stages. Amount of N1 loaded exclusively on one of two dimensions associated with 1PCS, amounts of W and N2 loaded exclusively on another dimension associated with 2PCS, and amount of N3 was equally loaded on both dimensions. Scores demonstrated stability within each stage, but a drastic change in just one of two scores occurred during transitions from one stage to another on the way from wakefulness to deeper sleep (e.g., 2PCS changed from0 to0 during transition W→N1, 1PCS changed from0 to0 during transition N1→N2). Therefore, the transitions between stages observed during short naps might be linked to rapid changes in the reciprocal interactions between the promoters/inhibitors of sleep/wakefulness. |
| Databáze: | OpenAIRE |
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