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Spiking neurons can perform spatiotemporal feature detection by nonlinear synaptic and dendritic integration of presynaptic spike patterns. Multicompartment models of non-linear dendrites and related neuromorphic circuit designs enable…

Neural and Evolutionary Computing · Computer Science 2021-06-02 Mattias Nilsson , Foteini Liwicki , Fredrik Sandin

Mixed-signal neuromorphic processors with brain-like organization and device physics offer an ultra-low-power alternative to the unsustainable developments of conventional deep learning and computing. However, realizing the potential of…

Neural and Evolutionary Computing · Computer Science 2022-08-05 Mattias Nilsson , Foteini Liwicki , Fredrik Sandin

The precise timing of spikes emitted by neurons plays a crucial role in shaping the response of efferent biological neurons. This temporal dimension of neural activity holds significant importance in understanding information processing in…

Neurons and Cognition · Quantitative Biology 2023-07-27 Antoine Grimaldi , Laurent U Perrinet

Biological neurons can detect complex spatio-temporal features in spiking patterns via their synapses spread across across their dendritic branches. This is achieved by modulating the efficacy of the individual synapses, and by exploiting…

Emerging Technologies · Computer Science 2023-12-15 Melika Payvand , Simone D'Agostino , Filippo Moro , Yigit Demirag , Giacomo Indiveri , Elisa Vianello

Real-time analysis and classification of bio-signals measured using wearable devices is computationally costly and requires dedicated low-power hardware. One promising approach is to use spiking neural networks implemented using in-memory…

Signal Processing · Electrical Eng. & Systems 2022-09-07 Stefan Gerber , Marc Steiner , Maryada , Giacomo Indiveri , Elisa Donati

Configurable synaptic delays are a basic feature in many neuromorphic neural network hardware accelerators. However, they have been rarely used in model implementations, despite their promising impact on performance and efficiency in tasks…

Mixed-signal analog/digital circuits emulate spiking neurons and synapses with extremely high energy efficiency, an approach known as "neuromorphic engineering". However, analog circuits are sensitive to process-induced variation among…

Machine Learning · Computer Science 2022-09-13 Julian Büchel , Dmitrii Zendrikov , Sergio Solinas , Giacomo Indiveri , Dylan R. Muir

In the context of spiking neural networks, temporal coding of signals is increasingly preferred over the rate coding hypothesis due to its advantages in processing speed and energy efficiency. In temporal coding, synaptic delays are crucial…

Neurons and Cognition · Quantitative Biology 2025-11-20 Thomas Kronland-Martinet , Stéphane Viollet , Laurent U Perrinet

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…

Neural and Evolutionary Computing · Computer Science 2024-08-13 Ilyass Hammouamri , Ismail Khalfaoui-Hassani , Timothée Masquelier

With the recent exponential growth of applications using artificial intelligence (AI), the development of efficient and ultrafast brain-like (neuromorphic) systems is crucial for future information and communication technologies. While the…

Pattern Formation and Solitons · Physics 2018-01-30 B. Romeira , J. M. L. Figueiredo , J. Javaloyes

Spiking Neural Networks (SNNs) are dynamical systems that operate on spatiotemporal data, yet their learnable parameters are often limited to synaptic weights, contributing little to temporal pattern recognition. Learnable parameters that…

Neural and Evolutionary Computing · Computer Science 2026-02-13 Luke Vassallo , Nima Taherinejad

Synaptic delay has attracted significant attention in neural network dynamics for integrating and processing complex spatiotemporal information. This paper introduces a high-throughput Spiking Neural Network (SNN) processor that supports…

Neural and Evolutionary Computing · Computer Science 2025-11-07 Faquan Chen , Qingyang Tian , Ziren Wu , Rendong Ying , Fei Wen , Peilin Liu

Synaptic delay parameterization of neural network models have remained largely unexplored but recent literature has been showing promising results, suggesting the delay parameterized models are simpler, smaller, sparser, and thus more…

The plasticity of the conduction delay between neurons plays a fundamental role in learning. However, the exact underlying mechanisms in the brain for this modulation is still an open problem. Understanding the precise adjustment of…

Neural and Evolutionary Computing · Computer Science 2020-11-19 Alireza Nadafian , Mohammad Ganjtabesh

Neuromorphic computing and spiking neural networks (SNN) mimic the behavior of biological systems and have drawn interest for their potential to perform cognitive tasks with high energy efficiency. However, some factors such as temporal…

Hardware Architecture · Computer Science 2021-05-10 Haowen Fang , Brady Taylor , Ziru Li , Zaidao Mei , Hai Li , Qinru Qiu

Modern deep learning enabled artificial neural networks, such as Deep Neural Network (DNN) and Convolutional Neural Network (CNN), have achieved a series of breaking records on a broad spectrum of recognition applications. However, the…

Neural and Evolutionary Computing · Computer Science 2018-03-15 Tao Liu , Zihao Liu , Fuhong Lin , Yier Jin , Gang Quan , Wujie Wen

An increasing number of neuroscience studies are highlighting the importance of spatial dendritic branching in pyramidal neurons in the brain for supporting non-linear computation through localized synaptic integration. In particular,…

We show that the unavoidable increase in neuronal response latency to ongoing stimulation serves as a nonuniform gradual stretching of neuronal circuit delay loops and emerges as an essential mechanism in the formation of various types of…

Neurons and Cognition · Quantitative Biology 2012-12-07 Roni Vardi , Reut Timor , Shimon Marom , Moshe Abeles , Ido Kanter

Spiking neural networks (SNNs) inherently rely on the timing of signals for representing and processing information. Incorporating trainable transmission delays, alongside synaptic weights, is crucial for shaping these temporal dynamics.…

Neural and Evolutionary Computing · Computer Science 2025-04-17 Julian Göltz , Jimmy Weber , Laura Kriener , Sebastian Billaudelle , Peter Lake , Johannes Schemmel , Melika Payvand , Mihai A. Petrovici

Spiking neural networks (SNN) distinguish themselves from artificial neural networks (ANN) because of their inherent temporal processing and spike-based computations, enabling a power-efficient implementation in neuromorphic hardware. In…

Neural and Evolutionary Computing · Computer Science 2023-11-29 Lucas Deckers , Laurens Van Damme , Ing Jyh Tsang , Werner Van Leekwijck , Steven Latré
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