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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

Neuroimaging techniques including functional magnetic resonance imaging (fMRI) and electroencephalogram (EEG) have shown promise in detecting functional abnormalities in various brain disorders. However, existing studies often focus on a…

图像与视频处理 · 电气工程与系统科学 2024-10-01 Xinxu Wei , Kanhao Zhao , Yong Jiao , Nancy B. Carlisle , Hua Xie , Gregory A. Fonzo , Yu Zhang

Brain activity following stimulus presentation and during resting state are often the result of highly coordinated responses of large numbers of neurons both locally and globally. Coordinated activity of neurons can give rise to…

应用统计 · 统计学 2015-07-20 Carolina Euan , Hernando Ombao , Joaquin Ortega

Recent innovations in Magnetic Resonance Imaging (MRI) hardware and software have reignited interest in low-field ($<1\,\mathrm{T}$) and ultra-low-field MRI ($<0.1\,\mathrm{T}$). These technologies offer advantages such as lower power…

图像与视频处理 · 电气工程与系统科学 2025-01-30 Andreas Kofler , Dongyue Si , David Schote , Rene M Botnar , Christoph Kolbitsch , Claudia Prieto

Biomedical decision making involves multiple signal processing, either from different sensors or from different channels. In both cases, information fusion plays a significant role. A deep learning based electroencephalogram channels'…

信号处理 · 电气工程与系统科学 2025-08-05 Fábio Mendonça , Sheikh Shanawaz Mostafa , Diogo Freitas , Fernando Morgado-Dias , Antonio G. Ravelo-García

Scanning superconducting quantum interference device microscopy (sSQUID) is currently one of the most effective methods for direct and sensitive magnetic flux imaging on the mesoscopic scale. A SQUID-on-chip design allows integration of…

介观与纳米尺度物理 · 物理学 2021-12-10 Y. P. Pan , J. J. Zhu , Y. Feng , Y. S. Lin , H. B. Wang , X. Y. Liu , H. Jin , Z. Wang , L. Chen , Y. H. Wang

Recent studies have shown that multi-modeling methods can provide new insights into the analysis of brain components that are not possible when each modality is acquired separately. The joint representations of different modalities is a…

神经元与认知 · 定量生物学 2022-01-24 Jalal Mirakhorli

In this paper, we propose a novel source model for a magnetoencephalography (MEG) inverse problem that combines a conventional extended parametric approach and an imaging approach.Our aim is to separately identify a focal current source and…

信号处理 · 电气工程与系统科学 2023-02-27 Takaaki Nara , Ten-yu Yang , Kenta Kabashima

Ultra-high resolution 7 tesla (7T) magnetic resonance imaging (MRI) provides detailed anatomical views, offering better signal-to-noise ratio, resolution and tissue contrast than 3T MRI, though at the cost of accessibility. We present an…

Epilepsy affects around 50 million people globally. Electroencephalography (EEG) or Magnetoencephalography (MEG) based spike detection plays a crucial role in diagnosis and treatment. Manual spike identification is time-consuming and…

机器学习 · 统计学 2026-03-16 Fangyi Wei , Jiajie Mo , Kai Zhang , Haipeng Shen , Srikantan Nagarajan , Fei Jiang

An accurate classification of upper limb movements using electroencephalography (EEG) signals is gaining significant importance in recent years due to the prevalence of brain-computer interfaces. The upper limbs in the human body are…

信号处理 · 电气工程与系统科学 2023-04-14 Saadat Ullah Khan , Muhammad Majid , Syed Muhammad Anwar

Individuals with severe physical disabilities often experience diminished quality of life stemming from limited ability to engage with their surroundings. Brain-Computer Interface (BCI) technology aims to bridge this gap by enabling direct…

信号处理 · 电气工程与系统科学 2025-06-05 Timothy B Mahoney , JingYang Liu , Huakun Xin , David B Grayden , Sam E John

An objective and accurate emotion diagnostic reference is vital to psychologists, especially when dealing with patients who are difficult to communicate with for pathological reasons. Nevertheless, current systems based on…

机器学习 · 计算机科学 2024-06-21 Yimin Zhao , Jin Gu

UTE (Ultrashort Echo Time) and ZTE (Zero Echo Time) sequences have been developed to detect short T2 relaxation signals coming from regions that are unable to be detected by conventional MRI methods. Due to the high dipole-dipole…

医学物理 · 物理学 2024-01-17 Soham Sharad More , Xiaoliang Zhang

This paper presents a novel approach towards creating a foundational model for aligning neural data and visual stimuli across multimodal representationsof brain activity by leveraging contrastive learning. We used electroencephalography…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Matteo Ferrante , Tommaso Boccato , Grigorii Rashkov , Nicola Toschi

Lensless illumination single-pixel imaging with a multicore fiber (MCF) is a computational imaging technique that enables potential endoscopic observations of biological samples at cellular scale. In this work, we show that this technique…

图像与视频处理 · 电气工程与系统科学 2024-03-07 Olivier Leblanc , Mathias Hofer , Siddharth Sivankutty , Hervé Rigneault , Laurent Jacques

Transcranial focused ultrasound (tFUS) is an emerging form of non-surgical human neuromodulation that confers advantages over existing electro and electromagnetic technologies by providing a superior spatial resolution on the millimeter…

神经元与认知 · 定量生物学 2016-03-02 Leo Ai , Jerel K. Mueller , Andrea Grant , Yigitcan Eryaman , Wynn Legon

Magnetoencephalography (MEG) and electroencephalogra-phy (EEG) are non-invasive modalities that measure the weak electromagnetic fields generated by neural activity. Inferring the location of the current sources that generated these…

机器学习 · 统计学 2019-02-14 Hicham Janati , Thomas Bazeille , Bertrand Thirion , Marco Cuturi , Alexandre Gramfort

The magnetic field noise in superconducting quantum interference devices (SQUIDs) used for biomagnetic research such as magnetoencephalography or ultra-low-field nuclear magnetic resonance is usually limited by instrumental dewar noise. We…

仪器与探测器 · 物理学 2017-02-20 Jan-Hendrik Storm , Peter Hömmen , Dietmar Drung , Rainer Körber

We present a method for measuring the magnetic field that allows hyperfine and Zeeman optical pumping, excitation and detection of magnetic resonance by means of a single laser beam with time-modulated ellipticity. This improvement allows…

光学 · 物理学 2026-04-28 M. V. Petrenko , A. S. Pazgalev , A. K. Vershovskii