tem theory. IEEE Trans Biomed Eng 43:743-751 Yeomans, J.M. (1993) Statistical Mechanics of Phase Transitions. Clarendon Press, Oxford Yokoyama, H., Niwa, S., Itoh K, Mazuka, R. (1996) Fractal property of eye movements in schizophrenia. Biol Cybern 75:137-140 Zabusky, N.J., Kruskal, M.D. (1965): Interact