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相关论文: Localization of Brain Activity from EEG/MEG Using …

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A major shortcoming of medical practice is the lack of an objective measure of conscious level. Impairment of consciousness is common, e.g. following brain injury and seizures, which can also interfere with sensory processing and volitional…

神经元与认知 · 定量生物学 2025-12-24 Alexis Pomares Pastor , Ines Ribeiro Violante , Gregory Scott

Objective: Sparse Bayesian learning provides an effective scheme to solve the high-dimensional problem in brain signal decoding. However, traditional assumptions regarding data distributions such as Gaussian and binomial are potentially…

信号处理 · 电气工程与系统科学 2025-08-19 Yuanhao Li , Badong Chen , Wenjun Bai , Yasuharu Koike , Okito Yamashita

Electroencephalography (EEG) source imaging aims to infer brain activity from electrical potentials measured on the scalp. This is a difficult problem because many different source patterns can explain the same measurements. The result…

数值分析 · 数学 2026-04-29 Santtu Söderholm , Joonas Lahtinen , Sampsa Pursiainen

Multi-electrode arrays (MEA) are increasingly used to investigate spontaneous neuronal network activity. The recorded signals comprise several distinct components: Apart from artefacts without biological significance, one can distinguish…

神经元与认知 · 定量生物学 2017-04-03 Måns Henningson , Sebastian Illes

Brain Electroencephalography (EEG) classification is widely applied to analyze cerebral diseases in recent years. Unfortunately, invalid/noisy EEGs degrade the diagnosis performance and most previously developed methods ignore the necessity…

机器学习 · 计算机科学 2018-02-12 Chenglong Dai , Jia Wu , Dechang Pi , Lin Cui

Objective: Our objective is to formulate the problem of the Magnetoencephalographic (MEG) sensor array design as a well-posed engineering problem of accurately measuring the neuronal magnetic fields. This is in contrast to the traditional…

医学物理 · 物理学 2023-06-16 Andrey Zhdanov , Jussi Nurminen , Joonas Iivanainen , Samu Taulu

Electroencephalography (EEG) source imaging aims to reconstruct the spatial distribution of neural activity within the brain from non-invasive scalp measurements. This inverse problem is severely ill-posed due to the low spatial resolution…

数值分析 · 数学 2026-04-08 Joonas Lahtinen , Alexandra Koulouri

Electroencephalography (EEG) and magnetoencephalography (MEG) measure neural activity non-invasively by capturing electromagnetic fields generated by dendritic currents. Although rooted in the same biophysics, EEG and MEG exhibit distinct…

信号处理 · 电气工程与系统科学 2025-10-16 Qinfan Xiao , Ziyun Cui , Chi Zhang , Siqi Chen , Wen Wu , Andrew Thwaites , Alexandra Woolgar , Bowen Zhou , Chao Zhang

Optically-pumped magnetometers (OPM) -- next-generation magnetoencephalography (MEG) sensors -- may be placed directly on the head, unlike the more commonly used superconducting quantum interference device (SQUID) sensors, which must be…

MLE-Toolbox is a comprehensive open-source MATLAB toolbox for end-to-end analysis of magnetoencephalography (MEG) and electroencephalography (EEG) data. Inspired by widely used neuroimaging platforms such as Brainstorm and FieldTrip, it…

神经元与认知 · 定量生物学 2026-04-21 Xiaobo Liu

Motor imagery classification based on electroencephalography (EEG) signals is one of the most important brain-computer interface applications, although it needs further improvement. Several methods have attempted to obtain useful…

计算机视觉与模式识别 · 计算机科学 2024-03-08 Takuto Fukushima , Ryusuke Miyamoto

Background: Many magnetoencephalographs (MEG) contain, in addition to data channels, a set of reference channels positioned relatively far from the head that provide information on magnetic fields not originating from the brain. This…

神经元与认知 · 定量生物学 2020-01-13 Jeff Hanna , Cora Kim , Nadia Müller-Voggel

Electroencephalography (EEG) signals' interpretation is based on waveform analysis, where meaningful information should emerge from a plethora of data. Nonetheless, the continuous increase in computational power and the development of new…

神经元与认知 · 定量生物学 2015-05-08 Rogerio Normand , Hugo Alexandre Ferreira

Objective: Machine learning- and deep learning-based models have recently been employed in motor imagery intention classification from electroencephalogram (EEG) signals. Nevertheless, there is a limited understanding of feature selection…

信号处理 · 电气工程与系统科学 2025-04-08 Muhammad Sudipto Siam Dip , Mohammod Abdul Motin , Md. Anik Hasan , Sumaiya Kabir

Kalman filtering has proven to be effective for estimating brain activity using EEG recordings. In particular, the introduced post hoc standardization step of the algorithm, inspired by the sLORETA time-invariant method, reduces the depth…

Electroencephalography (EEG) signals are promising as alternatives to other biometrics owing to their protection against spoofing. Previous studies have focused on capturing individual variability by analyzing task/condition-specific EEG.…

信号处理 · 电气工程与系统科学 2021-03-29 Mari Ganesh Kumar , Shrikanth Narayanan , Mriganka Sur , Hema A Murthy

A recently proposed IAS MEG inverse solver algorithm, based on the coupling of a hierarchical Bayesian model with computationally efficient Krylov subspace linear solver, has been shown to perform well for both superficial and deep brain…

神经元与认知 · 定量生物学 2017-07-19 Daniela Calvetti , Annalisa Pascarella , Francesca Pitolli , Erkki Somersalo , Barbara Vantaggi

Electroencephalographic (EEG) signals are fundamental to neuroscience research and clinical applications such as brain-computer interfaces and neurological disorder diagnosis. These signals are typically a combination of neurological…

机器学习 · 计算机科学 2023-10-27 Matteo Gabardi , Aurora Saibene , Francesca Gasparini , Daniele Rizzo , Fabio Antonio Stella

There have been different reports of developing Brain-Computer Interface (BCI) platforms to investigate the noninvasive electroencephalography (EEG) signals associated with plan-to-grasp tasks in humans. However, these reports were unable…

信号处理 · 电气工程与系统科学 2024-02-07 Anna Cetera , Ali Rabiee , Sima Ghafoori , Reza Abiri

Surface electromyography (sEMG) is a well-established approach to monitor muscular activity on wearable and resource-constrained devices. However, when measuring deeper muscles, its low signal-to-noise ratio (SNR), high signal attenuation,…

系统与控制 · 电气工程与系统科学 2023-09-15 Sebastian Frey , Victor Kartsch , Christoph Leitner , Andrea Cossettini , Sergei Vostrikov , Simone Benatti , Luca Benini