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Dynamics of the olfactory bulb: bifurcations,learning, and memory |
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| Authors: | P. Érdi T. Grőbler G. Barna K. Kaski |
| Affiliation: | 1. Biophysics Group, KFKI Research Institute for Particle and Nuclear Physics of the Hungarian Academy of Sciences, P.O. Box 49, H-1525, Budapest, Hungary 2. Tampere University of Technology, Microelectronics Laboratory, P.O. Box 527, SF-33101, Tampere, Finland 3. Department of Artificial Intelligence, Kyushu Institute of Technology, Iizuka 820, Fukuoka, Japan |
| Abstract: | A mathematical model for describing dynamic phenomena in the olfactory bulb is presented. The nature of attractors and the bifurcation sequences in terms of the lateral connection strength in the mitral layer are studied numerically. Chaotic activity has only been found in the case of strong excitatory coupling. Synaptic modification-induced transition from oscillation to chaos is demonstrated. A model for a simple associative memory is also presented. |
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