A circadian system model with feedback of cross-correlation between sleep-wake rhythm and oscillator

Mitsuyuki Nakao; Keisuke Yamamoto; Kazuhiro Nakamura; Norihiro Katayama; Mitsuaki Yamamoto

doi:10.1046/j.1440-1819.2001.00865.x

A circadian system model with feedback of cross-correlation between sleep-wake rhythm and oscillator

Mitsuyuki Nakao, Keisuke Yamamoto, Kazuhiro Nakamura, Norihiro Katayama, Mitsuaki Yamamoto

INF - Applied Information Sciences

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Recent findings suggest that social entrainment factors work on an oscillator other than the temperature and melatonin rhythms. This indicates that there is a feedback loop affected on oscillators. In the present study, a circadian system model, including mutually coupled two oscillators and sleep-wake rhythm, is constructed, where cross-correlation between a sleep-wake rhythm and an oscillator is set to modify the coupling from one oscillator to the other. Based on the model simulation, a mechanism underlying delayed sleep phase syndrome is elucidated by the reduction in the cross-correlation resulting from dissociation between the delayed sleep phase and the oscillator.

Original language	English
Pages (from-to)	295-297
Number of pages	3
Journal	Psychiatry and Clinical Neurosciences
Volume	55
Issue number	3
DOIs	https://doi.org/10.1046/j.1440-1819.2001.00865.x
Publication status	Published - 2001

Keywords

Circadian system model
Cross-correlation delayed sleep phase syndrome
Feedback
Social entrainment factors

ASJC Scopus subject areas

Neuroscience(all)
Neurology
Clinical Neurology
Psychiatry and Mental health

UN SDGs

This output contributes to the following Sustainable Development Goal(s)

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10.1046/j.1440-1819.2001.00865.x

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title = "A circadian system model with feedback of cross-correlation between sleep-wake rhythm and oscillator",

abstract = "Recent findings suggest that social entrainment factors work on an oscillator other than the temperature and melatonin rhythms. This indicates that there is a feedback loop affected on oscillators. In the present study, a circadian system model, including mutually coupled two oscillators and sleep-wake rhythm, is constructed, where cross-correlation between a sleep-wake rhythm and an oscillator is set to modify the coupling from one oscillator to the other. Based on the model simulation, a mechanism underlying delayed sleep phase syndrome is elucidated by the reduction in the cross-correlation resulting from dissociation between the delayed sleep phase and the oscillator.",

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AU - Nakao, Mitsuyuki

AU - Yamamoto, Keisuke

AU - Nakamura, Kazuhiro

AU - Katayama, Norihiro

AU - Yamamoto, Mitsuaki

PY - 2001

Y1 - 2001

N2 - Recent findings suggest that social entrainment factors work on an oscillator other than the temperature and melatonin rhythms. This indicates that there is a feedback loop affected on oscillators. In the present study, a circadian system model, including mutually coupled two oscillators and sleep-wake rhythm, is constructed, where cross-correlation between a sleep-wake rhythm and an oscillator is set to modify the coupling from one oscillator to the other. Based on the model simulation, a mechanism underlying delayed sleep phase syndrome is elucidated by the reduction in the cross-correlation resulting from dissociation between the delayed sleep phase and the oscillator.

AB - Recent findings suggest that social entrainment factors work on an oscillator other than the temperature and melatonin rhythms. This indicates that there is a feedback loop affected on oscillators. In the present study, a circadian system model, including mutually coupled two oscillators and sleep-wake rhythm, is constructed, where cross-correlation between a sleep-wake rhythm and an oscillator is set to modify the coupling from one oscillator to the other. Based on the model simulation, a mechanism underlying delayed sleep phase syndrome is elucidated by the reduction in the cross-correlation resulting from dissociation between the delayed sleep phase and the oscillator.

KW - Circadian system model

KW - Cross-correlation delayed sleep phase syndrome

KW - Feedback

KW - Social entrainment factors

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A circadian system model with feedback of cross-correlation between sleep-wake rhythm and oscillator

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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