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The thalamus is the major gate to the cortex and its control over cortical responses is well established. Cortical feedback to the thalamus is, in turn, the anatomically dominant input to relay cells, yet its influence on thalamic…

生物物理 · 物理学 2007-05-23 Ulrich Hillenbrand , J. Leo van Hemmen

The thalamus is the major gate to the cortex and its contribution to cortical receptive field properties is well established. Cortical feedback to the thalamus is, in turn, the anatomically dominant input to relay cells, yet its influence…

生物物理 · 物理学 2007-05-23 Ulrich Hillenbrand , J. Leo van Hemmen

Transformer-based Spiking Neural Networks (SNNs) suffer from a great performance gap compared to floating-point \mbox{Artificial} Neural Networks (ANNs) due to the binary nature of spike trains. Recent efforts have introduced deep-level…

神经与进化计算 · 计算机科学 2025-08-12 Zeqi Zheng , Zizheng Zhu , Yingchao Yu , Yanchen Huang , Changze Lv , Junfeng Tang , Zhaofei Yu , Yaochu Jin

Neuronal growth cones are the most sensitive amongst eukaryotic cells in responding to directional chemical cues. Although a dynamic microtubule cytoskeleton has been shown to be essential for growth cone turning, the precise nature of…

亚细胞过程 · 定量生物学 2019-05-16 Saurabh Mahajan , Chaitanya A. Athale

Although a recent study suggested that coarse-to-fine learning provides a fast and flexible framework for large-scale spatial process modeling, the method was originally developed for Gaussian responses, limiting its applicability. To…

Charting cortical growth trajectories is of paramount importance for understanding brain development. However, such analysis necessitates the collection of longitudinal data, which can be challenging due to subject dropouts and failed…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Peirong Liu , Zhengwang Wu , Gang Li , Pew-Thian Yap , Dinggang Shen

Spiking Neural Networks (SNNs) demonstrate significant potential for energy-efficient neuromorphic computing through an event-driven paradigm. While training methods and computational models have greatly advanced, SNNs struggle to achieve…

神经与进化计算 · 计算机科学 2025-10-27 Jieyuan Zhang , Xiaolong Zhou , Shuai Wang , Wenjie Wei , Hanwen Liu , Qian Sun , Malu Zhang , Yang Yang , Haizhou Li

To achieve immersive spatial audio rendering on VR/AR devices, high-quality Head-Related Transfer Functions (HRTFs) are essential. In general, HRTFs are subject-dependent and position-dependent, and their measurement is time-consuming and…

声音 · 计算机科学 2025-11-17 De Hu , Junsheng Hu , Cuicui Jiang

Biological nervous systems constitute important sources of inspiration towards computers that are faster, cheaper, and more energy efficient. Neuromorphic disciplines view the brain as a coevolved system, simultaneously optimizing the…

神经与进化计算 · 计算机科学 2025-09-18 Jens Egholm Pedersen , Jörg Conradt , Tony Lindeberg

Multi-channel speech enhancement extracts speech using multiple microphones that capture spatial cues. Effectively utilizing directional information is key for multi-channel enhancement. Deep learning shows great potential on multi-channel…

声音 · 计算机科学 2023-09-21 Jiahui Pan , Pengjie Shen , Hui Zhang , Xueliang Zhang

This paper presents a novel method to involve both spatial and temporal features for semantic video segmentation. Current work on convolutional neural networks(CNNs) has shown that CNNs provide advanced spatial features supporting a very…

计算机视觉与模式识别 · 计算机科学 2016-09-05 Mohsen Fayyaz , Mohammad Hajizadeh Saffar , Mohammad Sabokrou , Mahmood Fathy , Reinhard Klette , Fay Huang

Remote sensing spatiotemporal fusion (STF) addresses the fundamental trade-off between temporal and spatial resolution by combining high temporal-low spatial and high spatial-low temporal imagery. This paper presents the first comprehensive…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Enzhe Sun , Yongchuan Cui , Peng Liu , Jining Yan

Functional magnetic resonance imaging (fMRI) is a neuroimaging technique known for its ability to capture brain activity non-invasively and at fine spatial resolution (2-3mm). Cortical surface fMRI (cs-fMRI) is a recent development of fMRI…

应用统计 · 统计学 2023-12-29 Huy Dang , Marzia Cremona , Nicole Lazar , Francesca Chiaromonte

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…

图像与视频处理 · 电气工程与系统科学 2021-03-05 Kibrom Berihu Girum , Gilles Créhange , Alain Lalande

Current brain surface-based prediction models often overlook the variability of regional attributes at the cortical feature level. While graph neural networks (GNNs) excel at capturing regional differences, they encounter challenges when…

神经元与认知 · 定量生物学 2024-11-12 Zhuoshuo Li , Jiong Zhang , Youbing Zeng , Jiaying Lin , Dan Zhang , Jianjia Zhang , Duan Xu , Hosung Kim , Bingguang Liu , Mengting Liu

The cerebral cortex modulates early sensory processing via feed-back connections to sensory pathway nuclei. The functions of this top-down modulation for human behavior are poorly understood. Here, we show that top-down modulation of the…

神经元与认知 · 定量生物学 2018-05-25 Begona Diaz , Helen Blank , Katharina von Kriegstein

This study proposes coarse-to-fine spatial modeling (CFSM) as a scalable and machine learning-compatible alternative to conventional spatial process models. Unlike conventional covariance-based spatial models, CFSM represents spatial…

We derive gain-tuning rules for the positive and negative spatial-feedback loops of a spatially-distributed filter to change the resolution of its spatial band-pass characteristic accordingly to a wavelet zoom, while preserving temporal…

最优化与控制 · 数学 2021-06-07 Alessio Franci

Explosive growth in spatio-temporal data and its wide range of applications have attracted increasing interests of researchers in the statistical and machine learning fields. The spatio-temporal regression problem is of paramount importance…

机器学习 · 计算机科学 2020-09-15 Aniruddha Rajendra Rao , Qiyao Wang , Haiyan Wang , Hamed Khorasgani , Chetan Gupta

Using functional magnetic resonance imaging (fMRI) and deep learning to explore functional brain networks (FBNs) has attracted many researchers. However, most of these studies are still based on the temporal correlation between the sources…

神经元与认知 · 定量生物学 2022-11-07 Yiheng Liu , Enjie Ge , Ning Qiang , Tianming Liu , Bao Ge
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