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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.
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Keywords:
- relative transfer entropy /
- EEG /
- symbolic /
- time irreversibility
[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 13 340346]
[13] Shen W, Wang J 2011 Acta Phys. Sin. 60 118702 (in Chinese) [沈韡, 王俊 2011 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 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 63 78704]
[16] Wessel N, Ziehmann C, Kurths J, Meyerfeldt U, Schirdewan A, Voss A 2000 Phys. Rev. E 61 733
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[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 13 340346]
[13] Shen W, Wang J 2011 Acta Phys. Sin. 60 118702 (in Chinese) [沈韡, 王俊 2011 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 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 63 78704]
[16] Wessel N, Ziehmann C, Kurths J, Meyerfeldt U, Schirdewan A, Voss A 2000 Phys. Rev. E 61 733
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