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Adaptive behavior requires the brain to transition between distinct contexts while maintaining representations of prior experience. The ability to reconfigure neural representations without erasing previously acquired knowledge is central…

Neurons and Cognition · Quantitative Biology 2026-05-12 Qianqian Shi , Yue Che , Faqiang Liu , Hongyi Li , Mingkun Xu , Sandra Reinert , Pieter M. Goltstein , Rong Zhao , Luping Shi

Neurons are thought of as the building blocks of excitable brain tissue. However, at the single neuron level, the neuronal membrane, the dendritic arbor and the axonal projections can also be considered an extended active medium. Active…

Neurons and Cognition · Quantitative Biology 2013-11-28 Leonardo L. Gollo , Osame Kinouchi , Mauro Copelli

The segmentation of organs in volumetric medical images plays an important role in computer-aided diagnosis and treatment/surgery planning. Conventional 2D convolutional neural networks (CNNs) can hardly exploit the spatial correlation of…

Image and Video Processing · Electrical Eng. & Systems 2024-05-21 Zhuoyuan Wang , Dong Sun , Xiangyun Zeng , Ruodai Wu , Yi Wang

Deep learning models such as convolutional neural networks and recurrent networks are widely applied in text classification. In spite of their great success, most deep learning models neglect the importance of modeling context information,…

Computation and Language · Computer Science 2019-06-05 Liuyu Xiang , Xiaoming Jin , Lan Yi , Guiguang Ding

In linear models, visualizing a weight vector naturally reveals the model's preferred input direction, but extending this intuition to deep networks via gradients or gradient ascent often yields brittle or adversarial-looking features. We…

Machine Learning · Computer Science 2026-05-08 Maciej Satkiewicz , Roberto Corizzo , Marcin Pietroń

With the rising number of interconnected devices and sensors, modeling distributed sensor networks is of increasing interest. Recurrent neural networks (RNN) are considered particularly well suited for modeling sensory and streaming data.…

Machine Learning · Computer Science 2017-11-15 Stephan Baier , Sigurd Spieckermann , Volker Tresp

Since sequential information plays an important role in modeling user behaviors, various sequential recommendation methods have been proposed. Methods based on Markov assumption are widely-used, but independently combine several most recent…

Information Retrieval · Computer Science 2016-09-20 Qiang Liu , Shu Wu , Diyi Wang , Zhaokang Li , Liang Wang

Deep learning has successfully been leveraged for medical image segmentation. It employs convolutional neural networks (CNN) to learn distinctive image features from a defined pixel-wise objective function. However, this approach can lead…

Image and Video Processing · Electrical Eng. & Systems 2021-03-05 Kibrom Berihu Girum , Gilles Créhange , Alain Lalande

Working memory requires the brain to maintain information from the recent past to guide ongoing behavior. Neurons can contribute to this capacity by slowly integrating their inputs over time, creating persistent activity that outlasts the…

Neurons and Cognition · Quantitative Biology 2025-11-20 Nicoas Zucchet , Qianqian Feng , Axel Laborieux , Friedemann Zenke , Walter Senn , João Sacramento

We present a unified computational theory of an agent's perception and memory. In our model, perception, episodic memory, and semantic memory are realized by different operational modes of the oscillating interactions between a symbolic…

Artificial Intelligence · Computer Science 2023-01-24 Volker Tresp , Sahand Sharifzadeh , Hang Li , Dario Konopatzki , Yunpu Ma

This paper proposes a learning-based approach to scene parsing inspired by the deep Recursive Context Propagation Network (RCPN). RCPN is a deep feed-forward neural network that utilizes the contextual information from the entire image,…

Computer Vision and Pattern Recognition · Computer Science 2015-04-01 Abhishek Sharma , Oncel Tuzel , David W. Jacobs

How neurons process their inputs crucially determines the dynamics of biological and artificial neural networks. In such neural and neural-like systems, synaptic input is typically considered to be merely transmitted linearly or sublinearly…

Biological Physics · Physics 2017-06-01 David Breuer , Marc Timme , Raoul-Martin Memmesheimer

Mammalian brains handle complex reasoning by integrating information across brain regions specialized for particular sensory modalities. This enables improved robustness and generalization versus deep neural networks, which typically…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Shruti Joshi , Aiswarya Akumalla , Seth Haney , Maxim Bazhenov

Most current semantic segmentation approaches fall back on deep convolutional neural networks (CNNs). However, their use of convolution operations with local receptive fields causes failures in modeling contextual spatial relations. Prior…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Lichao Mou , Yuansheng Hua , Xiao Xiang Zhu

Learning an effective speaker representation is crucial for achieving reliable performance in speaker verification tasks. Speech signals are high-dimensional, long, and variable-length sequences containing diverse information at each…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-25 Wei Xia , John H. L. Hansen

Recent advancements in neural end-to-end TTS models have shown high-quality, natural synthesized speech in a conventional sentence-based TTS. However, it is still challenging to reproduce similar high quality when a whole paragraph is…

Sound · Computer Science 2022-09-15 Liumeng Xue , Frank K. Soong , Shaofei Zhang , Lei Xie

Robust perception relies on both bottom-up and top-down signals. Bottom-up signals consist of what's directly observed through sensation. Top-down signals consist of beliefs and expectations based on past experience and short-term memory,…

Machine Learning · Computer Science 2020-11-17 Sarthak Mittal , Alex Lamb , Anirudh Goyal , Vikram Voleti , Murray Shanahan , Guillaume Lajoie , Michael Mozer , Yoshua Bengio

This paper proposes a neuronal circuitry layout and synaptic plasticity principles that allow the (pyramidal) neuron to act as a "combinatorial switch". Namely, the neuron learns to be more prone to generate spikes given those combinations…

Biological Physics · Physics 2017-05-09 Marat M. Rvachev

Superconducting optoelectronic loop neurons are a class of circuits potentially conducive to networks for large-scale artificial cognition. These circuits employ superconducting components including single-photon detectors, Josephson…

Neural and Evolutionary Computing · Computer Science 2022-10-19 Jeffrey M. Shainline , Bryce A. Primavera , Saeed Khan

Topological deep learning is a rapidly growing field that pertains to the development of deep learning models for data supported on topological domains such as simplicial complexes, cell complexes, and hypergraphs, which generalize many…