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We report on self-induced switchings between multiple distinct space--time patterns in the dynamics of a spatially extended excitable system. These switchings between low-amplitude oscillations, nonlinear waves, and extreme events strongly…

混沌动力学 · 物理学 2016-03-21 Gerrit Ansmann , Klaus Lehnertz , Ulrike Feudel

In complex systems, groups of interacting objects may form prevalent and persistent spatiotemporal patterns, which we refer to as motifs. These motifs can exhibit features that reveal how individual objects interact with one another.…

生物物理 · 物理学 2025-12-12 Ying Chen Lim , Rakesh Das , Tetsuya Hiraiwa , N. Duane Loh

We describe a hybrid agent-based model and simulation of urban morphogenesis. It consists of a cellular automata grid coupled to a dynamic network topology. The inherently heterogeneous properties of urban structure and function are taken…

多智能体系统 · 计算机科学 2016-12-28 Juste Raimbault , Arnaud Banos , René Doursat

Neural circuits exhibit remarkable computational flexibility, enabling adaptive responses to noisy and ever-changing environmental cues. A fundamental question in neuroscience concerns how a wide range of behaviors can emerge from a…

统计力学 · 物理学 2025-09-18 Giacomo Barzon , Daniel M. Busiello , Giorgio Nicoletti

The synaptic connectivity of cortical networks features an overrepresentation of certain wiring motifs compared to simple random-network models. This structure is shaped, in part, by synaptic plasticity that promotes or suppresses…

神经元与认知 · 定量生物学 2014-12-23 Gabriel Koch Ocker , Ashok Litwin-Kumar , Brent Doiron

The critical brain hypothesis receives increasing support from recent experimental results. It postulates that the brain is at a critical point between an ordered and a chaotic regime, sometimes referred to as the "edge of chaos." Another…

无序系统与神经网络 · 物理学 2022-02-08 Lorenz Baumgarten , Stefan Bornholdt

Self-organization is the autonomous assembly of a network of interacting components into a stable, organized pattern. This article shows that the process of self-assembly can be encoded in terms of evolutionary entropy, a statistical…

统计力学 · 物理学 2023-05-29 Lloyd A. Demetrius

Microtubules self-organize to form part of the cellular cytoskeleton. They give cells their shape and play a crucial role in cell division and intracellular transport. Strikingly, microtubules driven by motor proteins reorganize into stable…

适应与自组织系统 · 物理学 2024-05-16 Nikita Frolov , Bram Bijnens , Daniel Ruiz-Reynés , Lendert Gelens

In this paper, we aim to forecast a future trajectory distribution of a moving agent in the real world, given the social scene images and historical trajectories. Yet, it is a challenging task because the ground-truth distribution is…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Ke Guo , Wenxi Liu , Jia Pan

Actomyosin networks are major structural components of the cell. They provide mechanical integrity and allow dynamic remodeling of eukaryotic cells, self-organizing into the diverse patterns essential for development. We provide a…

生物物理 · 物理学 2012-04-17 Shenshen Wang , Peter G. Wolynes

Self-organization through adaptive rewiring of random neural networks generates brain-like topologies comprising modular small-world structures with rich club effects, merely as the product of optimizing the network topology. In the nervous…

神经元与认知 · 定量生物学 2022-11-04 Jia Li , Ilias Rentzeperis , Cees van Leeuwen

Recent work suggests goal-driven training of neural networks can be used to model neural activity in the brain. While response properties of neurons in artificial neural networks bear similarities to those in the brain, the network…

神经元与认知 · 定量生物学 2020-05-19 Christopher J. Cueva , Peter Y. Wang , Matthew Chin , Xue-Xin Wei

We introduce a model for the dynamic self-organization of the electric grid. The model is characterized by a conserved magnitude, energy, that can travel following the links of the network to satisfy nodes' load. The load fluctuates in time…

物理与社会 · 物理学 2016-08-16 Alessandro Scirè , Idán Tuval , Víctor M. Eguíluz

Macroscopic studies of cortical tissue reveal a prevalence of oscillatory activity, that reflect a fine tuning of neural interactions. This research extends neural field theories by incorporating generalized oscillatory dynamics into…

神经元与认知 · 定量生物学 2024-10-23 Gerald K. Cooray , Vernon Cooray , Karl J. Friston

Oscillatory activities are widely observed in specific frequency bands of recorded field potentials in different brain regions, and play critical roles in processing neural information. Understanding the structure of these oscillatory…

神经元与认知 · 定量生物学 2015-07-23 Pengsheng Zheng

As a person learns a new skill, distinct synapses, brain regions, and circuits are engaged and change over time. In this paper, we develop methods to examine patterns of correlated activity across a large set of brain regions. Our goal is…

神经元与认知 · 定量生物学 2013-10-31 Danielle S. Bassett , Nicholas F. Wymbs , M. Puck Rombach , Mason A. Porter , Peter J. Mucha , Scott T. Grafton

Non-equilibrium self-organized patterns formed by particles interacting through competing range interaction are driven over a substrate by an external force. We show that, with increasing driving force, the pre-existed static patterns…

软凝聚态物质 · 物理学 2013-08-20 H. J. Zhao , V. R. Misko , F. M. Peeters

Biological transport networks adapt through dynamic interactions between material transport and structural modification during growth and development. In this work, we present a model of transport network growth driven by local material…

生物物理 · 物理学 2025-03-27 Chanoknun Sintavanuruk , Yoichiro Mori , Reza Farhadifar , Eleni Katifori

This paper deals with differentiable dynamical models congruent with neural process theories that cast brain function as the hierarchical refinement of an internal generative model explaining observations. Our work extends existing…

机器学习 · 计算机科学 2021-12-10 André Ofner , Sebastian Stober

Biological cells can exchange messages through soluble molecules or membrane-bound receptors. In particular in the latter case, the interaction is usually located in specific regions of the interacting cells and may depend on or induce…

定量方法 · 定量生物学 2023-12-12 Thorsten Prüstel , Martin Meier-Schellersheim