AIMC Topic: Nonlinear Dynamics

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Data-driven equation discovery reveals nonlinear reinforcement learning in humans.

Proceedings of the National Academy of Sciences of the United States of America Jul 31, 2025
Computational models of reinforcement learning (RL) have significantly contributed to our understanding of human behavior and decision-making. Traditional RL models, however, often adopt a linear approach to updating reward expectations, potentially ...
Humans Algorithms Computer Simulation Learning Nonlinear Dynamics Decision Making Models, Psychological Reward Reinforcement, Psychology
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Wave Propagation Phenomena in Nonlinear Hierarchical Neural Networks with Predictive Coding Feedback Dynamics.

Bulletin of mathematical biology Jul 24, 2025
We propose a mathematical framework to systematically explore the propagation properties of a class of continuous in time nonlinear neural network models comprising a hierarchy of processing areas, mutually connected according to the principles of pr...
Nonlinear Dynamics Nerve Net Mathematical Concepts Humans Neural Networks, Computer Computer Simulation Feedback Models, Neurological
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Taming the chaos gently: a predictive alignment learning rule in recurrent neural networks.

Nature communications Jul 23, 2025
Recurrent neural circuits often face inherent complexities in learning and generating their desired outputs, especially when they initially exhibit chaotic spontaneous activity. While the celebrated FORCE learning rule can train chaotic recurrent net...
Humans Neural Networks, Computer Recurrent Neural Networks Nonlinear Dynamics Synapses Learning Nerve Net Neuronal Plasticity Models, Neurological
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Lightweight convolutional neural networks using nonlinear Lévy chaotic moth flame optimisation for brain tumour classification via efficient hyperparameter tuning.

Scientific reports Jul 2, 2025
Deep convolutional neural networks (CNNs) have seen significant growth in medical image classification applications due to their ability to automate feature extraction, leverage hierarchical learning, and deliver high classification accuracy. However...
Humans Neural Networks, Computer Algorithms Nonlinear Dynamics Brain Neoplasms Convolutional Neural Networks Image Processing, Computer-Assisted
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Providing context: Extracting non-linear and dynamic temporal motifs from brain activity.

PloS one Jun 12, 2025
Approaches studying the dynamics of resting-state functional magnetic resonance imaging (rs-fMRI) activity often focus on time-resolved functional connectivity (tr-FC). While many tr-FC approaches have been proposed, most are linear approaches, e.g. ...
Brain Mapping Schizophrenia Nonlinear Dynamics Young Adult Adult Male Middle Aged Deep Learning Magnetic Resonance Imaging Humans Brain Female
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Integrated decision-control for social robot autonomous navigation considering nonlinear dynamics model.

PloS one Jun 6, 2025
Reinforcement learning (RL) has demonstrated significant potential in social robot autonomous navigation, yet existing research lacks in-depth discussion on the feasibility of navigation strategies. Therefore, this paper proposes an Integrated Decisi...
Walking Reward Nonlinear Dynamics Algorithms Decision Making Humans Robotics Reinforcement, Psychology
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Uncovering nonlinear patterns in time-sensitive prehospital breathing emergencies: an exploratory machine learning study.

BMC medical informatics and decision making Jun 3, 2025
BACKGROUND: Timely prehospital care is crucial for patients presenting with high-risk time-sensitive (HRTS) conditions. However, the interplay between response time and demographic factors in patients with breathing problems remains insufficiently un...
Retrospective Studies Age Factors Female Emergency Medical Services Humans Sweden Middle Aged Sex Factors Aged Emergencies Nonlinear Dynamics Machine Learning Adult Time Factors Male
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Improving cancer detection through computer-aided diagnosis: A comprehensive analysis of nonlinear and texture features in breast thermograms.

PloS one May 29, 2025
Breast cancer is a significant health issue for women, characterized by its high rates of mortality and sickness. However, its early detection is crucial for improving patient outcomes. Thermography, which measures temperature variations between heal...
Nonlinear Dynamics Thermography Fractals Female Neural Networks, Computer Breast Neoplasms Machine Learning Diagnosis, Computer-Assisted Algorithms Humans Support Vector Machine Early Detection of Cancer Breast
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VKAD: A novel fault detection and isolation model for uncertainty-aware industrial processes.

Neural networks : the official journal of the International Neural Network Society May 22, 2025
Fault detection and isolation (FDI) are essential for effective monitoring of industrial processes. Modern industrial processes involve dynamic systems characterized by complex, high-dimensional nonlinearities, posing significant challenges for accur...
Neural Networks, Computer Nonlinear Dynamics Industry Uncertainty
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How Can Anomalous-Diffusion Neural Networks Under Connectomics Generate Optimized Spatiotemporal Dynamics.

IEEE transactions on neural networks and learning systems May 2, 2025
Spatiotemporal dynamics in the brain have been recognized as strongly related to the formation of perceived and cognitive diseases, such as delusions and hallucinations in Alzheimer's disease. However, two practical considerations are rarely mentione...
Brain Connectome Models, Neurological Humans Nerve Net Neurons Computer Simulation Neural Networks, Computer Nonlinear Dynamics Spatio-Temporal Analysis Algorithms
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