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Journal of Shanghai University >

2017 , Vol. 23 >Issue 2: 290 - 297

DOI: https://doi.org/10.3969/j.issn.1007-2861.2015.02.005

Circadian rhythm in mammal based on phase synchronization

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  • 1. College of Fundamental Studies, Shanghai University of Engineering Science, Shanghai 201620, China;
    2. Institute of Systems Biology, Shanghai University, Shanghai 200444, China;
    3. School of Communication and Information Engineering, Shanghai University Shanghai 200444, China

Received date: 2015-11-07

  Online published: 2017-04-30

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Abstract

A collective rhythm emerges in suprachiasmatic nucleus (SCN) of mammals hypothalamus, controlling the central nervous system and peripheral tissues. To explore the emergence of circadian rhythms, a modified Kuramoto model of the SCN network is established, and its phase synchronization is analyzed. The results show that emergence of circadian rhythm is expressed by phase synchronization. The effect of parameters on order parameter is studied, showing agreements with biological facts. This study provides insights of the mechanism of circadian rhythm.

Key words： Kuramoto model; phase synchronization; suprachiasmatic nucleus (SCN); circadian rhythm

Cite this article

FAN Qingduan1,2, LIU Zengrong1,3 . Circadian rhythm in mammal based on phase synchronization[J]. Journal of Shanghai University, 2017 , 23(2) : 290 -297 . DOI: 10.3969/j.issn.1007-2861.2015.02.005

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