[1] Hindmarsh J L and Rose R M 1984 Proc. R. Soc. London
B 221 87

[2]Hodgkin A L and Hxuley A F 1952 J. Physol. 117
500

[3] Gammaitoni L, H$\ddot{a$nggi P and Jung P et al 1998
Rev. Mod. Phys. 70 223

[4]Hu G, Ditzinger T and Ning C N et al 1993 Phys. Rev.
Lett. 71 807

[5] Wang W, Perez G and Cerdeira H 1993 Phys. Rev. E
47 2893

[6]Wang W, Wang Y Q and Wang Z D 1998 Phys. Rev. E
52 R2527

[7] Haufler D,Morin F and Lacaille J C et al 2007
Neurocomp. 70 1605

[8]Wang Q Y, Lu Q S and Chen G R et al 2006 Phys. Lett.
A 356 17

[9] He D H, Shi P L and Stone L 2003 Phys. Rev. E
67 027201

[10]Erichsen R, Mainieri M S and Brunnet L G 2006 Phys.
Rev. E 74 061906

[11]Wei D Q and Luo X S 2007 Commun. Theor. Phys.
48 759

[12] B\"{ar M, Gottschalk N and Eiswirth M et al 1994 J.
Chem. Phys. 100 1202

[13]Kapral R and Showalter K 1994 Chemical Waves and
Patterns (Dordrecht: Kluwer)

[14]Zaikin A N and Zhabotinsky A M 1970 Nature 225
535

[15] Winfree A T 1972 Science 175 634

[16] Davidenko J, Pertsov A and Salomonsz R et al 1992
Nature 355 349

[17] Munuzuri A P, Innocenti C and Gilli J M et al 1994
Phys. Rev. E 50 R667

[18] Zhou L Q and Ouyang Q 2000 Phys. Rev. Lett.
85 1650

[19]Fenton F H, Cherry E M and Hastings H H et al 2002
Chaos 12 852

[20]Yang J Z, Xie F G and Qu Z L et al 2003 Phys. Rev.
Lett. 91 148302

[21]Wang X, Tian X and Wang H L et al 2004 Chin. Phys.
Lett. 21(12) 2365

[22]Ma J, Jia Y and Wang C N et al 2008 J. Phys. A: Math.
Theor. 41 385105

[23]Zhang H, Cao Z J and Wu N J et al 2005 Phys. Rev.
Lett. 94 188301

[24]Xiao J H, Hu G and Zhang H 2005 Eur. Phys. Lett.
69 29

[25]Ma J, Gao J H and Wang C N et al 2008 Chaos, Solitons
Fractals 38 521

[26]Ma J, Ying H P and Li Y L 2007 Chin. Phys. 16
955

[27]Yuang G Y, Yang S P and Wang G R et al 2008 Chin
Phys. B 17 1925

[28]Wu N J, Li B W and Ying H P 2007 Chin. Phys. Lett.
23 2030

[29]Li B W, Sun L L and Chen B 2007 Chin. Phys. Lett.
24 2415

[30]Lindner B, Garcia-Ojalvo J, Neiman A and Schimansky-Geier
L 2004 Phys. Rep. 392 321

[31]Sancho J M, Miguel M S and Katz S L et al 1982 Phys.
Rev. A 26 1589

[32] Gonze D, Bernard S and Waltermann C et al 2005
Biophys. J. 89 120

[33]Goryachev A and Kapral R 1996 Phys. Rev. Lett.
76 1619

[34] Hu G, Xiao J H and Chua L O et al 1998 Phys. Rev.
Lett. 80 1884

[35] Yu L C, Ma J and Zhang G Y et al 2008 Chin. Phys.
Lett. 25 2706

[36]He D H, Hu G and Zhan M et al 2002 Phys. Rev. E
65 055204(R)