Separation of the sources and analysis of their connectivity have been an important topic in EEG/MEG analysis. To solve this problem in an automatic manner, we propose a two-layer model, in which the sources are conditionally uncorrelated from each other, but not independent; the dependence is caused by the causality in their time-varying variances (envelopes). The model is identified in two steps. We first propose a new source separation technique which takes into account the autocorrelations (which may be time-varying) and time-varying variances of the sources. The causality in the envelopes is then discovered by exploiting a special kind of multivariate GARCH (generalized autoregressive conditional heteroscedasticity) model. The resulting causal diagram gives the effective connectivity between the separated sources; in our experimental results on MEG data, sources with similar functions are grouped together, with negative influences between groups, and the groups are connected via some interesting sources.
BrainOmni: A Brain Foundation Model for Unified EEG and MEG Signals
Shanghai Artificial Intelligence Laboratory, China(上海人工智能实验室);Department of Electronic Engineering, Tsinghua University, China(清华大学电子工程系);Department of Psychology, University of Cambridge, UK(剑桥大学心理学系);Speech Hearing and Phonetic Sciences, University College London, UK(伦敦大学学院语音听力与语音科学系);MRC Cognition and Brain Sciences Unit, University of Cambridge, UK(剑桥大学MRC认知与脑科学单位)
Probabilistic Structure Learning for EEG/MEG Source Imaging with Hierarchical Graph Prior
Massachusetts General Hospital(麻省总医院);Harvard Medical School(哈佛医学院);Picower Institute for Learning and Memory(皮考尔学习与记忆研究所);MIT(麻省理工学院);The University of Texas at Arlington(德克萨斯大学阿灵顿分校);The University of Texas at Dallas(德克萨斯大学达拉斯分校)
Diffusion-based translation between unpaired spontaneous premature neonatal EEG and fetal MEG
Laboratoire de Mathématiques de Lens (LML), UR 2462, Université d'Artois(Lens数学实验室(LML),UR 2462,阿托瓦大学);Department of Internal Medicine IV, University Hospital of Tübingen(第四内科部门,图宾根大学医院);IDM/fMEG Center of the Helmholtz Center Munich, University of Tübingen, German Center for Diabetes Research (DZD)(慕尼黑海德堡中心IDM/fMEG中心,图宾根大学,糖尿病研究德国中心(DZD));Institute of Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, Interfaculty Centre for Pharmacogenomics and Pharma Research, Eberhard Karls University Tübingen(药学研究所,药学与生物化学部门,药基因组学与药学研究跨学科中心,图宾根埃伯哈德·卡尔斯大学)
CaMBRAIN: Real-time, Continuous EEG Inference with Causal State Space Models
CRCV, University of Central Florida(CRCV,中央佛罗里达大学);University of Central Florida(中央佛罗里达大学);Department of MAE, University of Central Florida(中央佛罗里达大学机械与航空航天工程系);Department of Neurology, Loma Linda University(洛马琳达大学神经病学系)
Automated Detection of Epileptic Spikes and Seizures Incorporating a Novel Spatial Clustering Prior
Anhui University(安徽大学);Hefei Comprehensive National Science Center(合肥综合性国家科学中心);Sanbo Brain Hospital Capital Medical University(首都医科大学三博脑科医院);Peking University(北京大学)
Contextual Minimum-Norm Estimates (CMNE): A Deep Learning Method for Source Estimation in Neuronal Networks
Massachusetts General Hospital(麻省总医院);Harvard Medical School(哈佛医学院);Harvard-MIT Division of Health Sciences and Technology(哈佛-麻省理工卫生科学与技术部);Institute for Medical Engineering, Research Campus STIMULATE, Otto-von-Guericke University(奥托·冯·格里克大学医学工程研究所(STIMULATE研究校区));Institute for Biomedical Engineering and Informatics, Technische Universität Ilmenau(伊尔默瑙工业大学生物医学工程与信息学研究所)
EEG-to-Gait Decoding via Phase-Aware Representation Learning
College of Computing and Data Science, Nanyang Technological University, Singapore 639798(计算与数据科学学院,南洋理工大学,新加坡);Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China(计算机科学与工程系,上海交通大学,上海);Institute of Neural Engineering, Graz University of Technology, Graz, Austria(神经工程研究所,格拉茨技术大学,奥地利);Centre of AI in Medicine (C-AIM), Nanyang Technological University, Singapore(医学人工智能中心(C-AIM),南洋理工大学,新加坡)