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Recurrent neural networks are widely used for modeling spatio-temporal sequences in both nature language processing and neural population dynamics. However, understanding the temporal credit assignment is hard. Here, we propose that each…

无序系统与神经网络 · 物理学 2023-02-20 Wenxuan Zou , Chan Li , Haiping Huang

Emerged as a biology-inspired method, Spiking Neural Networks (SNNs) mimic the spiking nature of brain neurons and have received lots of research attention. SNNs deal with binary spikes as their activation and therefore derive extreme…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Yufei Guo , Weihang Peng , Yuanpei Chen , Liwen Zhang , Xiaode Liu , Xuhui Huang , Zhe Ma

We consider the problem of reinforcement learning under safety requirements, in which an agent is trained to complete a given task, typically formalized as the maximization of a reward signal over time, while concurrently avoiding…

We present E NERGY N ET , a new framework for analyzing and building artificial neural network architectures. Our approach adaptively learns the structure of the networks in an unsupervised manner. The methodology is based upon the…

机器学习 · 计算机科学 2017-11-10 Gus Kristiansen , Xavi Gonzalvo

An important open question in computational neuroscience is how various spatially tuned neurons, such as place cells, are used to support the learning of reward-seeking behavior of an animal. Existing computational models either lack…

神经元与认知 · 定量生物学 2022-05-18 Yuanxiang Gao

Multi-agent collaboration has emerged as a powerful paradigm for enhancing the reasoning capabilities of large language models, yet it suffers from interaction-level ambiguity that blurs generation, critique, and revision, making credit…

Schemas are knowledge structures that can enable rapid learning. Rodent one-shot learning in a multiple paired association navigation task has been postulated to be schema-dependent. We still only poorly understand how schemas,…

神经与进化计算 · 计算机科学 2024-09-11 M Ganesh Kumar , Cheston Tan , Camilo Libedinsky , Shih-Cheng Yen , Andrew Yong-Yi Tan

All machine learning algorithms use a loss, cost, utility or reward function to encode the learning objective and oversee the learning process. This function that supervises learning is a frequently unrecognized hyperparameter that…

神经与进化计算 · 计算机科学 2024-11-06 Mathew Mithra Noel , Arindam Banerjee , Yug Oswal , Geraldine Bessie Amali D , Venkataraman Muthiah-Nakarajan

Artificial neural networks (ANNs) show limited performance with scarce or imbalanced training data and face challenges with continuous learning, such as forgetting previously learned data after new tasks training. In contrast, the human…

机器学习 · 计算机科学 2024-10-22 Anthony Bazhenov , Pahan Dewasurendra , Giri P. Krishnan , Jean Erik Delanois

This paper proposes a spatial-temporal recurrent neural network architecture for deep $Q$-networks that can be used to steer an autonomous ship. The network design makes it possible to handle an arbitrary number of surrounding target ships…

机器学习 · 计算机科学 2023-05-16 Martin Waltz , Ostap Okhrin

While Reinforcement Learning with Verifiable Rewards (RLVR) enhances complex reasoning in LLMs, current methods struggle to balance exploration and exploitation. This leads to critical issues like inaccurate credit assignment for…

机器学习 · 计算机科学 2025-10-13 Junxi Yin , Haisen Luo , Zhenyu Li , Yihua Liu , Dan Liu , Zequn Li , Xiaohang Xu

Animals learn to predict external contingencies from experience through a process of conditioning. A natural mechanism for conditioning is stimulus substitution, whereby the neuronal response to a stimulus with no prior behavioral…

神经元与认知 · 定量生物学 2024-09-23 Pantelis Vafidis , Antonio Rangel

In this paper, we present a novel method for dynamically expanding Convolutional Neural Networks (CNNs) during training, aimed at meeting the increasing demand for efficient and sustainable deep learning models. Our approach, drawing from…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Blaise Appolinary , Alex Deaconu , Sophia Yang , Qingze , Li

Despite extensive theoretical work on biologically plausible learning rules, clear evidence about whether and how such rules are implemented in the brain has been difficult to obtain. We consider biologically plausible supervised- and…

神经与进化计算 · 计算机科学 2022-10-18 Jacob P. Portes , Christian Schmid , James M. Murray

The adaptive fitness of an organism in its ecological niche is highly reliant upon its ability to associate an environmental or internal stimulus with a behavior response through reinforcement. This simple but powerful observation has been…

神经元与认知 · 定量生物学 2023-12-01 Roy E. Clymer , Sanjeev V. Namjoshi

Prior neural architecture search (NAS) for adversarial robustness works have discovered that a lightweight and adversarially robust neural network architecture could exist in a non-robust large teacher network, generally disclosed by…

机器学习 · 计算机科学 2024-06-17 Dingrong Wang , Hitesh Sapkota , Zhiqiang Tao , Qi Yu

In class-incremental learning, a model learns continuously from a sequential data stream in which new classes occur. Existing methods often rely on static architectures that are manually crafted. These methods can be prone to capacity…

机器学习 · 计算机科学 2019-09-17 Shenyang Huang , Vincent François-Lavet , Guillaume Rabusseau

Solving tasks with sparse rewards is one of the most important challenges in reinforcement learning. In the single-agent setting, this challenge is addressed by introducing intrinsic rewards that motivate agents to explore unseen regions of…

机器学习 · 计算机科学 2021-05-25 Shariq Iqbal , Fei Sha

Rewards serve as a measure of user satisfaction and act as a limiting factor in interactive recommender systems. In this research, we focus on the problem of learning to reward (LTR), which is fundamental to reinforcement learning. Previous…

机器学习 · 计算机科学 2023-10-31 Jialin Liu , Xinyan Su , Zeyu He , Xiangyu Zhao , Jun Li

Recent advances in deep reinforcement learning algorithms have shown great potential and success for solving many challenging real-world problems, including Go game and robotic applications. Usually, these algorithms need a carefully…

机器学习 · 计算机科学 2019-06-03 Yang Liu , Yunan Luo , Yuanyi Zhong , Xi Chen , Qiang Liu , Jian Peng