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We propose a new framework, called Hierarchical Multi-resolution Mesh Networks (HMMNs), which establishes a set of brain networks at multiple time resolutions of fMRI signal to represent the underlying cognitive process. The suggested…

Neural and Evolutionary Computing · Computer Science 2017-01-13 Itir Onal Ertugrul , Mete Ozay , Fatos Tunay Yarman Vural

Modeling and interpreting spike train data is a task of central importance in computational neuroscience, with significant translational implications. Two popular classes of data-driven models for this task are autoregressive Point Process…

Neurons and Cognition · Quantitative Biology 2020-06-30 M. E. Rule , G. Sanguinetti

Hierarchical Sparse Coding (HSC) is a powerful model to efficiently represent multi-dimensional, structured data such as images. The simplest solution to solve this computationally hard problem is to decompose it into independent layer-wise…

Computer Vision and Pattern Recognition · Computer Science 2020-02-04 Victor Boutin , Angelo Franciosini , Franck Ruffier , Laurent Perrinet

Building comprehensive brain connectomes has proved of fundamental importance in resting-state fMRI (rs-fMRI) analysis. Based on the foundation of brain network, spatial-temporal-based graph convolutional networks have dramatically improved…

Machine Learning · Computer Science 2023-12-19 Rui Yang , Wenrui Dai , Huajun She , Yiping P. Du , Dapeng Wu , Hongkai Xiong

Spiking neural networks (SNNs) with leaky integrate and fire (LIF) neurons, can be operated in an event-driven manner and have internal states to retain information over time, providing opportunities for energy-efficient neuromorphic…

Neural and Evolutionary Computing · Computer Science 2021-09-07 Wachirawit Ponghiran , Kaushik Roy

Most machine learning and deep neural network algorithms rely on certain iterative algorithms to optimise their utility/cost functions, e.g. Stochastic Gradient Descent. In distributed learning, the networked nodes have to work…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-10-06 Liang Wang , Ben Catterall , Richard Mortier

Spiking neural networks (SNNs) are widely applied in various fields due to their energy-efficient and fast-inference capabilities. Applying SNNs to reinforcement learning (RL) can significantly reduce the computational resource requirements…

Neural and Evolutionary Computing · Computer Science 2024-04-25 Lang Qin , Ziming Wang , Runhao Jiang , Rui Yan , Huajin Tang

Hierarchical temporal memory (HTM) is a biomimetic sequence memory algorithm that holds promise for invariant representations of spatial and spatiotemporal inputs. This paper presents a comprehensive neuromemristive crossbar architecture…

Emerging Technologies · Computer Science 2018-12-31 Abdullah M. Zyarah , Dhireesha Kudithipudi

Hyperdimensional Computing (HDC) is a brain-inspired computing paradigm that represents and manipulates information using high-dimensional vectors, called hypervectors (HV). Traditional HDC methods, while robust to noise and inherently…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-12 Dhruv Parikh , Viktor Prasanna

Contemporary modeling approaches to the dynamics of neural networks consider two main classes of models: biologically grounded spiking neurons and functionally inspired rate-based units. The unified simulation framework presented here…

Neurons and Cognition · Quantitative Biology 2017-11-27 Jan Hahne , David Dahmen , Jannis Schuecker , Andreas Frommer , Matthias Bolten , Moritz Helias , Markus Diesmann

Spiking Neural Networks (SNNs) are attracting widespread interest due to their biological plausibility, energy efficiency, and powerful spatio-temporal information representation ability. Given the critical role of attention mechanisms in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Rui-Jie Zhu , Malu Zhang , Qihang Zhao , Haoyu Deng , Yule Duan , Liang-Jian Deng

Recent advances in event-based neuromorphic systems have resulted in significant interest in the use and development of spiking neural networks (SNNs). However, the non-differentiable nature of spiking neurons makes SNNs incompatible with…

Neural and Evolutionary Computing · Computer Science 2020-07-10 Ali Lotfi Rezaabad , Sriram Vishwanath

In this work, we extend standard neural networks by building upon an assumption that neuronal activations correspond to the angle of a complex number lying on the unit circle, or 'phasor.' Each layer in such a network produces new…

Neural and Evolutionary Computing · Computer Science 2021-09-29 Wilkie Olin-Ammentorp , Maxim Bazhenov

Spiking Neural Networks (SNNs) are brain-inspired, event-driven machine learning algorithms that have been widely recognized in producing ultra-high-energy-efficient hardware. Among existing SNNs, unsupervised SNNs based on synaptic…

Neural and Evolutionary Computing · Computer Science 2022-09-20 Mingyuan Meng , Xingyu Yang , Lei Bi , Jinman Kim , Shanlin Xiao , Zhiyi Yu

Spiking Neural Networks (SNNs) offer a biologically plausible and energy-efficient framework for temporal information processing. However, existing studies overlook a fundamental property widely observed in biological neurons-synaptic…

Neurons and Cognition · Quantitative Biology 2025-08-19 Zhichao Deng , Zhikun Liu , Junxue Wang , Shengqian Chen , Xiang Wei , Qiang Yu

In recent years, Recurrent Spiking Neural Networks (RSNNs) have shown promising potential in long-term temporal modeling. Many studies focus on improving neuron models and also integrate recurrent structures, leveraging their synergistic…

Neural and Evolutionary Computing · Computer Science 2025-05-19 Shang Xu , Jiayu Zhang , Ziming Wang , Runhao Jiang , Rui Yan , Huajin Tang

Neuromorphic and quantum computing have recently emerged as promising paradigms for advancing artificial intelligence, each offering complementary strengths. Neuromorphic systems built on spiking neurons excel at processing time series data…

Neural and Evolutionary Computing · Computer Science 2026-02-25 Jiechen Chen , Bipin Rajendran , Osvaldo Simeone

Multimodal spiking neural networks (SNNs) hold significant potential for energy-efficient sensory processing but face critical challenges in modality imbalance and temporal misalignment. Current approaches suffer from uncoordinated…

Machine Learning · Computer Science 2025-05-21 Jiangrong Shen , Yulin Xie , Qi Xu , Gang Pan , Huajin Tang , Badong Chen

Hierarchical temporal memory (HTM) is an emerging machine learning algorithm, with the potential to provide a means to perform predictions on spatiotemporal data. The algorithm, inspired by the neocortex, currently does not have a…

Machine Learning · Statistics 2016-09-12 James Mnatzaganian , Ernest Fokoué , Dhireesha Kudithipudi

Spiking Neural Networks (SNNs), models inspired by neural mechanisms in the brain, allow for energy-efficient implementation on neuromorphic hardware. However, SNNs trained with current direct training approaches are constrained to a…

Machine Learning · Computer Science 2025-03-25 Kangrui Du , Yuhang Wu , Shikuang Deng , Shi Gu