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Spike trains serve as the primary medium for information transmission in Spiking Neural Networks, playing a crucial role in determining system efficiency. Existing encoding schemes based on spike counts or timing often face severe…

神经与进化计算 · 计算机科学 2025-07-01 Yiwen Gu , Junchuan Gu , Haibin Shen , Kejie Huang

Weight quantization in spiking neural networks (SNNs) could further reduce energy consumption. However, quantizing weights without sacrificing accuracy remains challenging. In this study, inspired by astrocyte-mediated synaptic modulation…

神经与进化计算 · 计算机科学 2025-11-25 Han Zhang , Qingyan Meng , Jiaqi Wang , Baiyu Chen , Zhengyu Ma , Xiaopeng Fan

Working memory -- the ability to store and recall precise temporal patterns of neural activity -- remains an open challenge for spiking neural networks (SNNs). We propose a recurrent SNN of $N$ neurons in which each synapse is equipped with…

神经元与认知 · 定量生物学 2026-04-16 Laurent U Perrinet

Backpropagation, a foundational algorithm for training artificial neural networks, predominates in contemporary deep learning. Although highly successful, it is widely considered biologically implausible, because it relies on precise…

机器学习 · 计算机科学 2025-10-07 Li Ji-An , Marcus K. Benna

Spiking neural networks (SNNs) offer both compelling potential advantages, including energy efficiency and low latencies and challenges including the non-differentiable nature of event spikes. Much of the initial research in this area has…

计算机视觉与模式识别 · 计算机科学 2022-02-11 Somayeh Hussaini , Michael Milford , Tobias Fischer

At present, implementation of learning mechanisms in spiking neural networks (SNN) cannot be considered as a solved scientific problem despite plenty of SNN learning algorithms proposed. It is also true for SNN implementation of…

神经与进化计算 · 计算机科学 2023-09-26 Mikhail Kiselev

The relative timing of action potentials in neurons recorded from local cortical networks often shows a non-trivial dependence, which is then quantified by cross-correlation functions. Theoretical models emphasize that such spike train…

神经元与认知 · 定量生物学 2017-06-28 Taskin Deniz , Stefan Rotter

Compared with artificial neural networks (ANNs), spiking neural networks (SNNs) are promising to explore the brain-like behaviors since the spikes could encode more spatio-temporal information. Although pre-training from ANN or direct…

神经与进化计算 · 计算机科学 2018-09-18 Yujie Wu , Lei Deng , Guoqi Li , Jun Zhu , Luping Shi

Spiking Neural Networks (SNNs) are a promising research direction for building power-efficient information processing systems, especially for temporal tasks such as speech recognition. In SNNs, delays refer to the time needed for one spike…

神经与进化计算 · 计算机科学 2024-08-13 Ilyass Hammouamri , Ismail Khalfaoui-Hassani , Timothée Masquelier

In this article, our wish is to demystify some aspects of coding with spike-timing, through a simple review of well-understood technical facts regarding spike coding. The goal is to help better understanding to which extend computing and…

神经元与认知 · 定量生物学 2010-03-02 Bruno Cessac , Hélène Paugam-Moisy , Thierry Viéville

Energy efficiency and low latency are crucial requirements for designing wearable AI-empowered human activity recognition systems, due to the hard constraints of battery operations and closed-loop feedback. While neural network models have…

神经与进化计算 · 计算机科学 2023-08-03 Sizhen Bian , Michele Magno

Questions remain on the robustness of data-driven learning methods when crossing the gap from simulation to reality. We utilize weight anchoring, a method known from continual learning, to cultivate and fixate desired behavior in Neural…

机器学习 · 计算机科学 2023-04-21 Steffen Gracla , Edgar Beck , Carsten Bockelmann , Armin Dekorsy

Our brain consists of biological neurons encoding information through accurate spike timing, yet both the architecture and learning rules of our brain remain largely unknown. Comparing to the recent development of backpropagation-based…

神经与进化计算 · 计算机科学 2021-11-29 Yukun Yang , Peng Li

Spiking neural networks (SNNs) compute with discrete spikes and exploit temporal structure, yet most adversarial attacks change intensities or event counts instead of timing. We study a timing-only adversary that retimes existing spikes…

密码学与安全 · 计算机科学 2026-02-10 Yi Yu , Qixin Zhang , Shuhan Ye , Xun Lin , Qianshan Wei , Kun Wang , Wenhan Yang , Dacheng Tao , Xudong Jiang

Spiking Neural Networks (SNNs) offer a more energy-efficient alternative to Artificial Neural Networks (ANNs) by mimicking biological neural principles, establishing them as a promising approach to mitigate the increasing energy demands of…

机器学习 · 计算机科学 2025-02-24 Velibor Bojković , Xiaofeng Wu , Bin Gu

Spiking recurrent neural networks (RNNs) are a promising tool for solving a wide variety of complex cognitive and motor tasks, due to their rich temporal dynamics and sparse processing. However training spiking RNNs on dedicated…

神经与进化计算 · 计算机科学 2021-09-28 Yigit Demirag , Charlotte Frenkel , Melika Payvand , Giacomo Indiveri

Despite basic differences between Spiking Neural Networks (SNN) and Artificial Neural Networks (ANN), most research on SNNs involve adapting ANN-based methods for SNNs. Pruning (dropping connections) and quantization (reducing precision)…

神经与进化计算 · 计算机科学 2024-08-07 Dylan Adams , Magda Zajaczkowska , Ashiq Anjum , Andrea Soltoggio , Shirin Dora

Compared with rate-based artificial neural networks, Spiking Neural Networks (SNN) provide a more biological plausible model for the brain. But how they perform supervised learning remains elusive. Inspired by recent works of Bengio et al.,…

神经与进化计算 · 计算机科学 2022-03-08 Zhanhao Hu , Tao Wang , Xiaolin Hu

Event-based neuromorphic systems promise to reduce the energy consumption of deep learning tasks by replacing expensive floating point operations on dense matrices by low power sparse and asynchronous operations on spike events. While these…

神经与进化计算 · 计算机科学 2019-06-04 Johannes Christian Thiele , Olivier Bichler , Antoine Dupret

Spiking Neural Networks (SNNs) are promising candidates for low-power edge computing in domains such as wearable sensing and time-series analysis. A key neuronal parameter, the leaky time constant (LTC), governs temporal integration of…

神经与进化计算 · 计算机科学 2025-08-29 Chiu-Chang Cheng , Kapil Bhardwaj , Ya-Ning Chang , Sayani Majumdar , Chao-Hung Wang