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The study reported herein attempts to understand the neural mechanisms engaged in the conscious control of breathing and breath-hold. The variations in the electroencephalogram (EEG) based functional connectivity (FC) of the human brain…

信号处理 · 电气工程与系统科学 2023-12-18 Anusha A. S. , Pradeep Kumar G. , A. G. Ramakrishnan

In recent years, Electroencephalographic analysis has gained prominence in stress research when combined with AI and Machine Learning models for validation. In this study, a lightweight dynamic brain connectivity framework based on Time…

神经元与认知 · 定量生物学 2025-11-11 Sayantan Acharya , Abbas Khosravi , Douglas Creighton , Roohallah Alizadehsani , U. Rajendra Acharya

Modern retrieval-augmented generation (RAG) systems treat vector embeddings as static, context-free artifacts: an embedding has no notion of when it was created, how trustworthy its source is, or which other embeddings depend on it. This…

信息检索 · 计算机科学 2026-04-23 Naizhong Xu

Magnetoencephalography (MEG) is an advanced imaging technique used to measure the magnetic fields outside the human head produced by the electrical activity inside the brain. Various source localization methods in MEG require the knowledge…

统计方法学 · 统计学 2017-07-06 Zhigang Yao , Ye Zhang , Zhidong Bai , William F. Eddy

Magnetoencephalography (MEG) is a powerful technique for studying the human brain function. However, accurately estimating the number of sources that contribute to the MEG recordings remains a challenging problem due to the low…

信号处理 · 电气工程与系统科学 2023-09-22 Amita Giri , John C. Mosher , Amir Adler , Dimitrios Pantazis

This paper illustrates the development of two efficient source localization algorithms for electroencephalography (EEG) data, aimed at enhancing real-time brain signal reconstruction while addressing the computational challenges of…

信号处理 · 电气工程与系统科学 2024-09-19 Ava Yektaeian Vaziri , Bahador Makkiabadi

Accurate and continuous estimation of cognitive workload is fundamental to creating adaptive human-machine systems. However, designing architectures that balance representational capacity with computational efficiency has been challenging…

信号处理 · 电气工程与系统科学 2026-05-20 Stefanos Gkikas , Christian Arzate Cruz , Thomas Kassiotis , Giorgos Giannakakis , Raul Fernandez Rojas , Randy Gomez

Resting-state brain functional connectivity quantifies the synchrony between activity patterns of different brain regions. In functional magnetic resonance imaging (fMRI), each region comprises a set of spatially contiguous voxels at which…

统计方法学 · 统计学 2025-11-07 Ruobin Liu , Chao Zhang , Chau Tran , Sophie Achard , Wendy Meiring , Alexander Petersen

Epilepsy is a network disease. The epileptic network usually involves spatially distributed brain regions. In this context, noninvasive M/EEG source connectivity is an emerging technique to identify functional brain networks at cortical…

神经元与认知 · 定量生物学 2016-08-18 Mahmoud Hassan , Isabelle Merlet , Ahmad Mheich , Aya Kabbara , Arnaud Biraben , Anca Nica , Fabrice Wendling

This paper deals with the EEG/MEG neuroimaging problem: given measurements of scalp electric potential differences (EEG: electroencephalogram) and extracranial magnetic fields (MEG: magnetoencephalogram), find the 3D distribution of the…

数学物理 · 物理学 2007-10-18 Roberto D. Pascual-Marqui

Compared with the rich studies on the motor brain-computer interface (BCI), the recently emerging affective BCI presents distinct challenges since the brain functional connectivity networks involving emotion are not well investigated.…

人机交互 · 计算机科学 2020-04-07 Xun Wu , Wei-Long Zheng , Bao-Liang Lu

Magnetoencephalography (MEG) and Electroencephalography (EEG) source estimates have thus far mostly been derived sample by sample, i.e., independent of each other in time. However, neuronal assemblies are heavily interconnected,…

定量方法 · 定量生物学 2019-09-09 Christoph Dinh , John GW Samuelsson , Alexander Hunold , Matti S Hämäläinen , Sheraz Khan

Brain-computer interfaces (BCIs) enable direct communication between the brain and external devices, providing critical support for individuals with motor impairments. However, accurate motor imagery (MI) decoding from…

机器学习 · 计算机科学 2026-04-08 Panagiotis Andrikopoulos , Siamak Mehrkanoon

Brain-computer interfaces (BCIs) enable direct communication between the brain and external devices. Recent EEG foundation models aim to learn generalized representations across diverse BCI paradigms. However, these approaches overlook…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Dingkun Liu , Zhu Chen , Jingwei Luo , Shijie Lian , Dongrui Wu

Resting-state EEG offers a non-invasive view of spontaneous brain activity, yet the extraction of meaningful patterns is often constrained by limited availability of high-quality data, and heavy reliance on manually engineered EEG features.…

神经元与认知 · 定量生物学 2025-12-01 Yeganeh Farahzadi , Morteza Ansarinia , Zoltan Kekecs

This paper presents an accurate and robust embedded motor-imagery brain-computer interface (MI-BCI). The proposed novel model, based on EEGNet, matches the requirements of memory footprint and computational resources of low-power…

信号处理 · 电气工程与系统科学 2023-01-18 Xiaying Wang , Michael Hersche , Batuhan Tömekce , Burak Kaya , Michele Magno , Luca Benini

Deciphering language from brain activity is a crucial task in brain-computer interface (BCI) research. Non-invasive cerebral signaling techniques including electroencephalography (EEG) and magnetoencephalography (MEG) are becoming…

计算与语言 · 计算机科学 2025-12-29 Yiqian Yang , Hyejeong Jo , Yiqun Duan , Qiang Zhang , Jinni Zhou , Xuming Hu , Won Hee Lee , Renjing Xu , Hui Xiong

A Brain Computer Interface (BCI) connects the human brain to the outside world, providing a direct communication channel. Electroencephalography (EEG) signals are commonly used in BCIs to reflect cognitive patterns related to motor function…

机器学习 · 计算机科学 2025-11-19 Abdullah Al Shiam , Md. Khademul Islam Molla , Abu Saleh Musa Miah , Md. Abdus Samad Kamal

Electromyography (EMG)-based gesture recognition has emerged as a promising approach for human-computer interaction. However, its performance is often limited by the scarcity of labeled EMG data, significant cross-user variability, and poor…

人机交互 · 计算机科学 2025-12-11 Nana Wang , Gen Li , Pengfei Ren , Hao Su , Suli Wang

A multitude of individuals across the globe grapple with motor disabilities. Neural prosthetics utilizing Brain-Computer Interface (BCI) technology exhibit promise for improving motor rehabilitation outcomes. The intricate nature of EEG…

信号处理 · 电气工程与系统科学 2025-02-21 Syed Saim Gardezi , Soyiba Jawed , Mahnoor Khan , Muneeba Bukhari , Rizwan Ahmed Khan