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We propose a new model for approximating spatiotemporal noise covariance for use in MEG/EEG source analysis. Our model is an extension of an existing model [1,2] that uses a single Kronecker product of a pair of matrices - temporal and…

Data Analysis, Statistics and Probability · Physics 2007-05-23 S. M. Plis , J. S. George , S. C. Jun , J. Pare-Blagoev , D. M. Ranken , D. M. Schmidt , C. C. Wood

Depression is a public health issue which severely affects one's well being and cause negative social and economic effect for society. To rise awareness of these problems, this publication aims to determine if long lasting effects of…

Machine Learning · Computer Science 2022-02-09 Egils Avots , Klavs Jermakovs , Maie Bachmann , Laura Paeske , Cagri Ozcinar , Gholamreza Anbarjafari

A method for the quantitative assessment of spatio-temporal structuring of brain activity is presented. This approach is employed in a longitudinal case study of a child with frontal lobe epilepsy (FLE) and tested against an age-matched…

Medical Physics · Physics 2009-05-26 W. Bunk , T. Aschenbrenner , G. Kluger , S. Springer

The electrocardiogram (ECG) is a well-known technique used to diagnose cardiac diseases. To acquire the spatial signal characteristics from the thorax, multiple electrodes are commonly used. Displacements of electrodes affect the signal…

Medical Physics · Physics 2021-12-15 Andra Oltmann , Roman Kusche , Philipp Rostalski

The aim of this study is to investigate bursts- related EEG signals in a focal hand dystonia patient. Despite of considering time domain and frequency domain techniques as mutually exclusive analysis, in this contribution we have taken…

Medical Physics · Physics 2018-02-08 Giulia Cisotto , Umberto Michieli , Leonardo Badia

Brain computer interface (BCI) is the only way for some special patients to communicate with the outside world and provide a direct control channel between brain and the external devices. As a non-invasive interface, the scalp…

Quantitative Methods · Quantitative Biology 2018-08-15 Chuanqi Tan , Fuchun Sun , Wenchang Zhang , Shaobo Liu , Chunfang Liu

Electroencephalogram (EEG) is one of the most reliable physiological signal for emotion detection. Being non-stationary in nature, EEGs are better analysed by spectro temporal representations. Standard features like Discrete Wavelet…

Signal Processing · Electrical Eng. & Systems 2022-02-08 Upasana Tiwari , Rupayan Chakraborty , Sunil Kumar Kopparapu

Emotions are crucial in human life, influencing perceptions, relationships, behaviour, and choices. Emotion recognition using Electroencephalography (EEG) in the Brain-Computer Interface (BCI) domain presents significant challenges,…

Human-Computer Interaction · Computer Science 2025-12-12 Gourav Siddhad , Masakazu Iwamura , Partha Pratim Roy

Inferring strength and direction of interactions from electroencephalographic (EEG) recordings is of crucial importance to improve our understanding of dynamical interdependencies underlying various physiologic and pathophysiologic…

Neurons and Cognition · Quantitative Biology 2016-10-07 Klaus Lehnertz , Henning Dickten

Electroencephalography (EEG) is an essential technique for neuroscience research and brain-computer interface (BCI) applications. Recently, large-scale EEG foundation models have been developed, exhibiting robust generalization capabilities…

Signal Processing · Electrical Eng. & Systems 2025-10-15 Zhige Chen , Chengxuan Qin , Wenlong You , Rui Liu , Congying Chu , Rui Yang , Kay Chen Tan , Jibin Wu

A novel technique for Electroencephalogram (EEG) compression is proposed in this article. This technique models the intrinsic dependency inherent between the different EEG channels. It is based on dipole fitting that is usually used in…

Information Theory · Computer Science 2024-10-30 Hoda Daou , Fabrice Labeau

Electroencephalography (EEG) is widely used to study human brain dynamics, yet its quantitative information capacity remains unclear. Here, we combine information theory and synthetic forward modeling to estimate the mutual information…

Information Theory · Computer Science 2025-10-22 Ishir Rao

Emotion recognition from electroencephalogram (EEG) signals is a thriving field, particularly in neuroscience and Human-Computer Interaction (HCI). This study aims to understand and improve the predictive accuracy of emotional state…

Machine Learning · Computer Science 2025-08-13 Shyam K Sateesh , Sparsh BK , Uma D

We study properties of the human electrocardiogram under the working hypothesis that fluctuations beyond the regular structure of single cardiac cycles are unpredictable. On this background we discuss the possibility to use the phase space…

chao-dyn · Physics 2009-10-31 Marcus Richter , Thomas Schreiber

Dry-electrode Motor Imagery Electroencephalography (MI-EEG) enables fast, comfortable, real-world Brain Computer Interface by eliminating gels and shortening setup for at-home and wearable use.However, dry recordings pose three main issues:…

Human-Computer Interaction · Computer Science 2026-01-27 Tianyi Gong , Can Han , Junxi Wu , Dahong Qian

A novel approach to improving the performances of confocal scanning imaging is proposed. We experimentally demonstrate its feasibility using acoustic waves. It relies on a new way to encode spatial information using the temporal dimension.…

High-density electroencephalography (HD-EEG) enables fine-grained measurement of cortical activity but requires expensive hardware and lengthy setup times, limiting its clinical and research accessibility. We propose EMAG (EEG Mixture of…

Machine Learning · Computer Science 2026-05-29 Alex Lazarovich , Ofir Itzhak Shahar , Gur Elkin , Ohad Ben-Shahar

Sleep staging is critical for assessing sleep quality and diagnosing sleep disorders. However, capturing both the spatial and temporal relationships within electroencephalogram (EEG) signals during different sleep stages remains…

Signal Processing · Electrical Eng. & Systems 2023-08-09 Xinliang Zhou , Chenyu Liu , Jiaping Xiao , Yang Liu

The human brain is constantly processing and integrating information in order to make decisions and interact with the world, for tasks from recognizing a familiar face to playing a game of tennis. These complex cognitive processes require…

Neurons and Cognition · Quantitative Biology 2019-05-14 Thomas A. Carlson , Tijl Grootswagers , Amanda K. Robinson

Towards practical applications of Electroencephalography (EEG), lightweight acquisition devices garner significant attention. However, EEG channel selection methods are commonly data-sensitive and cannot establish a unified sound paradigm…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Dongdong Li , Zhongliang Zeng , Zhe Wang , Hai Yang