Studies of Boolean recurrent neural networks are briefly introduced with an emphasis on the attractor dynamics determined by the sequence of distinct attractors observed in the limit cycles. We apply this framework to a simplified model of the basal ganglia-thalamocortical circuit where each brain area is represented by a “neuronal” node in a directed graph. Control parameters ranging from neuronal excitability that affects all cells to targeted local connections modified by a new adaptive plasticity rule, and the regulation of the interactive feedback affecting the external input stream of information, allow the network dynamics to switch between stable domains delimited by highly discontinuous boundaries and reach very high levels of complexity with specific configurations. The significance of this approach with regard to brain circuit studies is briefly discussed.
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October 2018
Research Article|
October 18 2018
Attractor dynamics of a Boolean model of a brain circuit controlled by multiple parameters
Special Collection:
Nonlinear Science of Living Systems: From Cellular Mechanisms to Functions
Jérémie Cabessa
;
Jérémie Cabessa
a)
1
Laboratory of Mathematical Economics (LEMMA), Université Paris 2—Panthéon-Assas
, 75005 Paris, France
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Alessandro E. P. Villa
Alessandro E. P. Villa
b)
2
Neuroheuristic Research Group, University of Lausanne
, CH-1015 Lausanne, Switzerland
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a)
Electronic mail: jeremie.cabessa@u-paris2.fr
b)
Electronic mail: alessandro.villa@unil.ch
Chaos 28, 106318 (2018)
Article history
Received:
May 31 2018
Accepted:
August 29 2018
Citation
Jérémie Cabessa, Alessandro E. P. Villa; Attractor dynamics of a Boolean model of a brain circuit controlled by multiple parameters. Chaos 1 October 2018; 28 (10): 106318. https://doi.org/10.1063/1.5042312
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