[1] Wang Y Q, Wan Z D and Wang W 1998 J. Phys. Soc. Jpn.
67 3637

[2] Gong P L and Xu J X 2001 Phys. Rev. E 63 1906

[3] Gong P L, Xu J X and Hu S J 1999 Acta Biophys. Sin.
15 725

[4] Gong Y F, Ren W, Shi X Z and Xu J X 1999 Phys. Lett.
A 258 253

[5] Zhan M et al 2000 Chin. Phys. Lett. 17 332

[6] Yang J Z and Zhang M 2005 Chin. Phys. Lett. 22
2183

[7] Sun F Y 2006 Chin. Phys. Lett. 23 32

[8] Zheng Y H et al 2006 Chin. Phys. Lett. 23 3176

[9] Shen J H et al 2006 Chin. Phys. Lett. 23 1406

[10] Wang M S, Hou Z H and Xin H W 2006 Chem. Phys.
Chem. 7 579

[11] Meyer-Baese U 1998 Proc. SPIE 3390 560

[12] Reinker S, Li Y X and Kuske R 2006 Bull. Math.
Biol. 68 1401

[13] Hindmarsh J L and Rose R M 1994 Biol. Sci.
346 129

[14] Wiesenfeld K and Moss F 1995 Nature 373 33

[15] Wu S G, Ren W, Kai F and Huang Z Q 2001 Phys. Lett.
A 279 347

[16] Rose J E, Brugge J F, Arderson D J and Hind J E 1967
J. Neurophysiol. 30 769

[17] Siege R M 1990 Physica D 42 385

[18] Longtin A, Bulsara A and Moss F 1991 Phys. Rev.
Lett. 67 656

[19] Longtin A 1993 J. Statist. Phys. 70 309

[20] Wu S G, He K F and Huang Z Q 2000 Phys. Rev. E
62 4417

[21] Hindmarsh J L and Rose R M 1982 Nature 296
162