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Phase transitions in Neuroscience

Grant number: 19/12746-3
Support type:Scholarships abroad - Research
Effective date (Start): January 06, 2020
Effective date (End): July 25, 2020
Field of knowledge:Interdisciplinary Subjects
Principal researcher:Osame Kinouchi Filho
Grantee:Osame Kinouchi Filho
Host: Miguel Angel Muñoz
Home Institution: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Research place: Universidad de Granada (UGR), Spain  

Abstract

The use of statistical physics ideas and tools to study neuronal networks models is standard by now. In this project, I propose to study the phase diagram of networks with excitatory and inhibitory stochastic integrate-and-fire neurons.We will use stability analysis of fixed pointsto determine the phase boundaries.Also, we will examine the effect of adaptationdynamics of neuronal gains and firingthresholds that produceself-organization toward the critical region (self-organized quasi-criticality or SOqC, proposed by Miguel Munõz group).In particular, we will study the effectof adaptation in the presence of a first orderphase transition which produces theso-called self-organized bistability (SOB) alsoproposed by Miguel Munõz group from Granada, Spain.

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Scientific publications (4)
(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)
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, . (16/20945-8, 16/24676-1, 16/00430-3, 13/07699-0, 18/09150-9, 19/12746-3)
KINOUCHI, OSAME; PAZZINI, RENATA; COPELLI, MAURO. Mechanisms of Self-Organized Quasicriticality in Neuronal Network Models. FRONTIERS IN PHYSICS, v. 8, . (13/07699-0, 19/12746-3, 18/20277-0)
GALERA, EMILIO F.; KINOUCHI, OSAME. Physics of psychophysics: Large dynamic range in critical square lattices of spiking neurons. PHYSICAL REVIEW RESEARCH, v. 2, n. 3, . (13/07699-0, 19/12746-3)
GIRARDI-SCHAPPO, MAURICIO; GALERA, EMILIO F.; CARVALHO, TAWAN T. A.; BROCHINI, LUDMILA; KAMIJI, NILTON L.; ROQUE, ANTONIO C.; KINOUCHI, OSAME. A unified theory of E/I synaptic balance, quasicritical neuronal avalanches and asynchronous irregular spiking. JOURNAL OF PHYSICS-COMPLEXITY, v. 2, n. 4, . (19/12746-3, 18/09150-9, 18/20277-0, 16/24676-1, 13/07699-0, 15/50122-0, 16/03855-5)

Please report errors in scientific publications list by writing to: cdi@fapesp.br.