Information Processing with Structured Chemical Excitable Medium

It is well known that an excitable medium can be used for information processing with pulses of excitation. In such medium messages can be coded or in the number of pulses or in the sequences of times separating subsequent excitations. Information is processed as the result of two major effects: interactions between pulses and interactions between a pulse and the environment. The properties of excitable medium provide us with a number of features remaining those characterizing biological information processing. For example, pulses of excitation appear as the result of an external stimulus and they can propagate in a homogeneous medium with a constant velocity and a stationary shape dissipating medium energy.