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Riemannian geometry has been successfully used in many brain-computer interface (BCI) classification problems and demonstrated superior performance. In this paper, for the first time, it is applied to BCI regression problems, an important…

人机交互 · 计算机科学 2020-03-31 Dongrui Wu , Brent J. Lance , Vernon J. Lawhern , Stephen Gordon , Tzyy-Ping Jung , Chin-Teng Lin

We present a novel deep neural architecture for learning electroencephalogram (EEG). To learn the spatial information, our model first obtains the Riemannian mean and distance from spatial covariance matrices (SCMs) on a Riemannian…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Guangyi Zhang , Ali Etemad

Methods based on Riemannian geometry have proven themselves to be good models for decoding in brain-computer interfacing (BCI). However, one major drawback of these methods is that it is not possible to determine what aspect of the signal…

信号处理 · 电气工程与系统科学 2019-09-25 Jiachen Xu , Moritz Grosse-Wentrup , Vinay Jayaram

In recent years, the field of electroencephalography (EEG) analysis has witnessed remarkable advancements, driven by the integration of machine learning and artificial intelligence. This survey aims to encapsulate the latest developments,…

信号处理 · 电气工程与系统科学 2025-01-09 Pengfei Wang , Huanran Zheng , Silong Dai , Yiqiao Wang , Xiaotian Gu , Yuanbin Wu , Xiaoling Wang

Advances in neuroscience and artificial intelligence have enabled preliminary decoding of brain activity. However, despite the progress, the interpretability of neural representations remains limited. A significant challenge arises from the…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Hasib Aslam , Muhammad Talal Faiz , Muhammad Imran Malik

Magnetoencephalography and electroencephalography (M/EEG) can reveal neuronal dynamics non-invasively in real-time and are therefore appreciated methods in medicine and neuroscience. Recent advances in modeling brain-behavior relationships…

信号处理 · 电气工程与系统科学 2019-11-25 David Sabbagh , Pierre Ablin , Gael Varoquaux , Alexandre Gramfort , Denis A. Engemann

The recent availability of large datasets in bio-medicine has inspired the development of representation learning methods for multiple healthcare applications. Despite advances in predictive performance, the clinical utility of such methods…

信号处理 · 电气工程与系统科学 2022-10-18 Neeraj Wagh , Jionghao Wei , Samarth Rawal , Brent M. Berry , Yogatheesan Varatharajah

The diagnosis of Alzheimer's disease (AD) in routine clinical practice is most commonly based on subjective clinical interpretations. Quantitative electroencephalography (QEEG) measures have been shown to reflect neurodegenerative processes…

EEG foundation models achieve state-of-the-art clinical performance, yet the internal computations driving their predictions remain opaque: a barrier to clinical trust. We apply TopK Sparse Autoencoders (SAEs) across three architecturally…

Foundation models for electroencephalography (EEG) signals have recently demonstrated success in learning generalized representations of EEGs, outperforming specialized models in various downstream tasks. However, many of these models lack…

The generalization and robustness of an electroencephalogram (EEG)-based computer aided diagnostic system are crucial requirements in actual clinical practice. To reach these goals, we propose a new EEG representation that provides a more…

机器学习 · 计算机科学 2017-02-10 Khadijeh Sadatnejad , Saeed S. Ghidary , Reza Rostami , Reza Kazemi

Both the temporal dynamics and spatial correlations of Electroencephalogram (EEG), which contain discriminative emotion information, are essential for the emotion recognition. However, some redundant information within the EEG signals would…

信号处理 · 电气工程与系统科学 2022-11-17 Zhe Wang , Yongxiong Wang , Chuanfei Hu , Zhong Yin , Yu Song

Non-invasive decoding of imagined speech remains challenging due to weak, distributed signals and limited labeled data. Our paper introduces an image-based approach that transforms magnetoencephalography (MEG) signals into time-frequency…

计算与语言 · 计算机科学 2026-01-23 Soufiane Jhilal , Stéphanie Martin , Anne-Lise Giraud

Electroencephalography (EEG) is shown to be a valuable data source for evaluating subjects' mental states. However, the interpretation of multi-modal EEG signals is challenging, as they suffer from poor signal-to-noise-ratio, are highly…

信号处理 · 电气工程与系统科学 2022-04-19 David Bethge , Philipp Hallgarten , Ozan Özdenizci , Ralf Mikut , Albrecht Schmidt , Tobias Grosse-Puppendahl

Self-supervised learning has emerged as a highly effective approach in the fields of natural language processing and computer vision. It is also applicable to brain signals such as electroencephalography (EEG) data, given the abundance of…

信号处理 · 电气工程与系统科学 2024-01-22 Yuqi Chen , Kan Ren , Kaitao Song , Yansen Wang , Yifan Wang , Dongsheng Li , Lili Qiu

Modelling the complex spatiotemporal patterns of large-scale brain dynamics is crucial for neuroscience, but traditional methods fail to capture the rich structure in modalities such as magnetoencephalography (MEG). Recent advances in deep…

机器学习 · 计算机科学 2025-10-22 Rukuang Huang , Sungjun Cho , Chetan Gohil , Oiwi Parker Jones , Mark Woolrich

Electroencephalography provides a non-invasive window into brain activity, offering valuable insights for neurological research, brain-computer interfaces, and clinical diagnostics. However, the development of robust machine learning models…

信号处理 · 电气工程与系统科学 2025-02-26 Chi-Sheng Chen , Ying-Jung Chen , Aidan Hung-Wen Tsai

The adoption of increasingly complex deep models has fueled an urgent need for insight into how these models make predictions. Counterfactual explanations form a powerful tool for providing actionable explanations to practitioners.…

机器学习 · 计算机科学 2024-11-05 Paraskevas Pegios , Aasa Feragen , Andreas Abildtrup Hansen , Georgios Arvanitidis

Combining electroencephalogram (EEG) datasets for supervised machine learning (ML) is challenging due to session, subject, and device variability. ML algorithms typically require identical features at train and test time, complicating…

信号处理 · 电气工程与系统科学 2024-06-28 Apolline Mellot , Antoine Collas , Sylvain Chevallier , Denis Engemann , Alexandre Gramfort

Electroencephalography (EEG) stands as a crucial tool in neuroscientific research and clinical diagnostics, providing valuable insights into the electrical activities of the brain. Traditional EEG signal processing techniques, predominantly…

神经元与认知 · 定量生物学 2024-01-12 Aryan Govil , Eric Yao , Christina R. Borao
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