Istituto di Biofisica     
Taddei-Ferretti C., Musio C., Chillemi S. Resetting periodic activity of Hydra at a fixed phase. In: ICANN'94 - Icann'94 :proceedings of the International conference on artificial neural networks (Sorrento, Italy, 26-29 May 1994). Proceedings, vol. 1 pp. 154 - 157. Maria Marinaro and Pietro G. Morasso (eds.). Springer, 1994.
It is hypothesize that the mechanism responsible for the periodic shortening—elongation behaviour of Hydra has an oscillatory nature, which is reflected by the periodical variation of the Hydra sensitivity to photic stimuli. We tested such hypothesis by searching the possibility of rnantaining the systern at a fixed phase by repetitive light pulse stimulation of suitable frequency. The role of the intinsic noise of the system on the degree or congruence of the experimental results with the expected ones is then discussed.
Subject Hydra
Phase response curve
Periodic behaviour

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