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外界电场激励下的耦合FitzHugh-Nagumo神经元系统的放电节律研究
  • ISSN号：1000-3290
  • 期刊名称：《物理学报》
  • 时间：0
  • 分类：O322[理学—一般力学与力学基础;理学—力学] TP183[自动化与计算机技术—控制科学与工程;自动化与计算机技术—控制理论与控制工程]
  • 作者机构：[1]西北工业大学理学院,西安710072
  • 相关基金：国家自然科学基金（批准号：10872165）资助的课题.
作者： 王宝燕[1], 徐伟[1], 邢真慈[1]
关键词： FHN神经元, 耦合, 动力学行为, FHN neuron, coupling, dynamic behavior
中文摘要：

研究了单向耦合连接的两个FitzHugh-Nagumo神经元系统的动力学行为.随外激频率的变化,系统表现出p：q锁相（一种周期振荡,q周期刺激产生p周期动作电位）,且锁相是否发生与放电状态有关.研究表明外激频率和耦合强度都可以引起系统峰峰间期（interspike Interval,ISI）分岔,而外激频率对系统放电节律的影响更为明显,研究还发现混沌态是其他放电状态的过渡态.

英文摘要：

This paper investigates the dynamic behavior of the two coupled FitzHugh-Nagumo neurons connected by coupling.The system exhibits p∶q phase-locked（i.e.a periodic oscillation defined as p action potentials generated by q cycle stimulations） depending on the value of stimulus frequency.Whether phase-locking occurs or not relies on the fire patterns of the system.Furthermore,the stimulus frequency and coupling intensity can stir up rich bifurcation respectively,and the stimulus frequency affects the system fire patterns more obviously.The study has also found that chaotic behavior is the transition state to other fire patterns.

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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国科学引文索引（扩展库）,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:49876