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改进的相对转移熵的癫痫脑电分析

王莹 侯凤贞 戴加飞 刘新峰 李锦 王俊

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改进的相对转移熵的癫痫脑电分析

王莹, 侯凤贞, 戴加飞, 刘新峰, 李锦, 王俊

Analysis on relative transfer of entropy based on improved epileptic EEG

Wang Ying, Hou Feng-Zhen, Dai Jia-Fei, Liu Xin-Feng, Li Jin, Wang Jun
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  • 脑电信号是由脑神经活动产生并且始终存在于中枢神经系统的自发性电位活动,是一种重要的生物电信号. 脑电信号是非常微弱的且是非线性的,脑电信号也具有时间不可逆性. 本文提出了一种新的基于正向序列转移概率与逆向序列转移概率的相对熵方法即相对转移熵方法,并应用此方法研究了正常脑电与癫痫脑电的不可逆性,实验结果显示癫痫患者的脑电信号的不可逆性明显小于正常人的脑电信号的不可逆性. 这说明改进的相对转移熵可以作为一个物理过程不可逆程度的度量参数,这使得应用脑电信号区分病人是否患有癫痫疾病具有积极指导意义.
    EEG (electroencephalogram) is generated by the brain activity and is present in the central nervous system of spontaneous electrical activity, which is an important biological signal. EEG is a very weak and nonlinear as well as irreversible signal. This paper presents a new method to describe it based on the relative entropy of transition probability for the forward and reverse sequences. Besides, we may apply this method to study the normal EEG and epileptic EEG irreversibility, and the experimental results show that the EEG irreversibility of patients who suffer from epilepsy is significantly less than that of normal people. This shows that the relative transfer entropy can be used as aparameter to detect the irreversible degree of EEG for recognizing whether a patient is suffering from epilepsy or not, which may be a positive index for clinical diagnosis.
    • 基金项目: 国家自然科学基金(批准号:61271082,61201029,61102094) 和江苏省自然科学基金(批准号:BK2011759,BK2011565)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 61271082, 61201029, 61102094), and the Natural Science Foundation of Jiangsu Province, China (Grant Nos. BK2011759, BK2011565).
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    Daw C S, Finney C E A, Kennel M B 2000 Phys. Rev. E 62 1912

    [2]

    Costa M, Goldberger A L, Peng C K 2005 Phys. Rev. Lett. 95 198102

    [3]

    Wang J, Ma Q L 2008 Chin. Phys. B 17 4424

    [4]

    Wang J, Yu Z F 2012 Chin. Phys. B 21 018702

    [5]

    Thatcher R W 2012 Dev. Neuropsychol. 37 476

    [6]

    Petrantonakis P C, Hadjileontiadis L J 2012 IEEE T. on Signal Proc. 60 2604

    [7]

    Musselman M, Djurdjanovic D 2012 Expert Syst. Appl. 39 11413

    [8]

    Orhan U, Hekim M, Ozer M 2012 J. Med. Syst. 36 2219

    [9]

    Staniek M, Lehnertz K 2008 Phys. Rev. Lett. 100 158101

    [10]

    Schreiber T 2000 Phys. Rev. Lett. 85 461

    [11]

    Porporato A, Rigby J R, Daly E 2007 Phys. Rev. Lett. 98 094101

    [12]

    Zhang H, Yang M J 1997 Acta. Biop. Sin. 13 340346 (in Chinese) [张辉, 杨明静 1997 生物物理学报 13 340346]

    [13]

    Shen W, Wang J 2011 Acta Phys. Sin. 60 118702 (in Chinese) [沈韡, 王俊 2011 物理学报 60 118702]

    [14]

    Zhang M, Cui C, Ma Q L, Gan Z L, Wang J 2013 Acta Phys.Sin. 62 068704 (in Chinese) [张梅, 崔超, 马千里, 干宗良, 王俊 2013 物理学报 62 068704]

    [15]

    Yao W P, Liu T B, Dai J F, Wang J 2014 Acta Phys. Sin. 63 78704 (in Chinese) [姚文坡, 刘铁兵, 戴加飞, 王俊 2014 物理学报 63 78704]

    [16]

    Wessel N, Ziehmann C, Kurths J, Meyerfeldt U, Schirdewan A, Voss A 2000 Phys. Rev. E 61 733

  • [1]

    Daw C S, Finney C E A, Kennel M B 2000 Phys. Rev. E 62 1912

    [2]

    Costa M, Goldberger A L, Peng C K 2005 Phys. Rev. Lett. 95 198102

    [3]

    Wang J, Ma Q L 2008 Chin. Phys. B 17 4424

    [4]

    Wang J, Yu Z F 2012 Chin. Phys. B 21 018702

    [5]

    Thatcher R W 2012 Dev. Neuropsychol. 37 476

    [6]

    Petrantonakis P C, Hadjileontiadis L J 2012 IEEE T. on Signal Proc. 60 2604

    [7]

    Musselman M, Djurdjanovic D 2012 Expert Syst. Appl. 39 11413

    [8]

    Orhan U, Hekim M, Ozer M 2012 J. Med. Syst. 36 2219

    [9]

    Staniek M, Lehnertz K 2008 Phys. Rev. Lett. 100 158101

    [10]

    Schreiber T 2000 Phys. Rev. Lett. 85 461

    [11]

    Porporato A, Rigby J R, Daly E 2007 Phys. Rev. Lett. 98 094101

    [12]

    Zhang H, Yang M J 1997 Acta. Biop. Sin. 13 340346 (in Chinese) [张辉, 杨明静 1997 生物物理学报 13 340346]

    [13]

    Shen W, Wang J 2011 Acta Phys. Sin. 60 118702 (in Chinese) [沈韡, 王俊 2011 物理学报 60 118702]

    [14]

    Zhang M, Cui C, Ma Q L, Gan Z L, Wang J 2013 Acta Phys.Sin. 62 068704 (in Chinese) [张梅, 崔超, 马千里, 干宗良, 王俊 2013 物理学报 62 068704]

    [15]

    Yao W P, Liu T B, Dai J F, Wang J 2014 Acta Phys. Sin. 63 78704 (in Chinese) [姚文坡, 刘铁兵, 戴加飞, 王俊 2014 物理学报 63 78704]

    [16]

    Wessel N, Ziehmann C, Kurths J, Meyerfeldt U, Schirdewan A, Voss A 2000 Phys. Rev. E 61 733

计量
  • 文章访问数:  4469
  • PDF下载量:  331
  • 被引次数: 0
出版历程
  • 收稿日期:  2014-05-29
  • 修回日期:  2014-06-21
  • 刊出日期:  2014-11-05

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