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Impact of Connection Topology on the Dynamics of Stochastic Integrate-and-Fire Neuronal Network

Grant number: 16/20945-8
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): February 01, 2017
Effective date (End): January 31, 2018
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Jorge Stolfi
Grantee:Ariadne de Andrade Costa
Supervisor: Olaf Sporns
Host Institution: Instituto de Computação (IC). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Research place: Indiana University, United States  
Associated to the scholarship:16/00430-3 - Computational simulations of stochastic integrate-and-fire neurons balanced networks , BP.PD


There are experimental evidences of self-organizing criticality in many natural systems, including certain regions of the human brain. The main objective of this project is the mathematical modeling of neuronal systems, such as the human cortex. We intend to study the dynamical properties of neuronal network models, focusing on the inuence of network topology and synaptic plasticity particularly on occurrence of self-organizing criticality. This internship project ts within the goals of her main post-doctoral research project, contributing to a better comprehension of network topological conditions that may lead to brain (cortex) self-organization to criticality.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FERREIRA CAMPOS, JOAO GUILHERME; COSTA, ARIADNE DE ANDRADE; COPELLI, MAURO; KINOUCHI, OSAME. Correlations induced by depressing synapses in critically self-organized networks with quenched dynamics. Physical Review E, v. 95, n. 4, . (13/07699-0, 16/20945-8, 16/00430-3)
COSTA, ARIADNE A.; BROCHINI, LUDMILA; KINOUCHI, OSAME. Self-Organized Supercriticality and Oscillations in Networks of Stochastic Spiking Neurons. Entropy, v. 19, n. 8, . (16/24676-1, 13/07699-0, 16/20945-8, 16/00430-3)
GIRARDI-SCHAPPO, MAURICIO; BROCHINI, LUDMILA; COSTA, ARIADNE A.; CARVALHO, TAWAN T. A.; KINOUCHI, OSAME. Synaptic balance due to homeostatically self-organized quasicritical dynamics. PHYSICAL REVIEW RESEARCH, v. 2, n. 1, . (16/24676-1, 13/07699-0, 19/12746-3, 16/00430-3, 18/09150-9, 16/20945-8)

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