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Excitation/inhibition patterns in a system of coupled cortical columns

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10.1007/978-3-319-11179-7-82
 
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hdl:2117/27684

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Malagarriga Guasch, DanielMés informació
Villa, Alessandro
García Ojalvo, JordiMés informacióMés informació
Pons Rivero, Antonio JavierMés informacióMés informacióMés informació
Document typeConference report
Defense date2014
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
We study how excitation and inhibition are distributed mesoscopically in small brain regions, by means of a computational model of coupled cortical columns described by neural mass models. Two cortical columns coupled bidirectionally through both excitatory and inhibitory connections can spontaneously organize in a regime in which one of the columns is purely excitatory and the other is purely inhibitory, provided the excitatory and inhibitory coupling strengths are adequately tuned. We also study the case of three columns in different coupling configurations (linear array and all-to-all coupling), finding abrupt transitions between heterogeneous and homogeneous excitatory/inhibitory patterns and strong multistability in their distribution.
CitationMalagarriga, D. [et al.]. Excitation/inhibition patterns in a system of coupled cortical columns. A: International Conference on Artificial Neural Networks. "Artificial Neural Networks and Machine Learning – ICANN 2014 : 24th International Conference on Artificial Neural Networks, Hamburg, Germany, September 15-19, 2014. Proceedings". Hamburg: 2014, p. 651-658. 
URIhttp://hdl.handle.net/2117/27684
DOI10.1007/978-3-319-11179-7-82
ISBN978-331911178-0
Publisher versionhttp://link.springer.com/chapter/10.1007%2F978-3-319-11179-7_82
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  • Departament de Física i Enginyeria Nuclear (fins octubre 2015) - Ponències/Comunicacions de congressos [155]
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