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Related papers: A coherence study on EEG and EMG signals

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Nonlinear time series analyses have suggested that the human electroencephalogram (EEG) may share statistical and dynamical properties with chaotic systems. During slow-wave sleep or pathological states like epilepsy, correlation dimension…

Chaotic Dynamics · Physics 2009-04-28 Sami El Boustani , Alain Destexhe

The Electrocardiograph signal represents the heart's electrical activity while blood pressure results from the heart's mechanical activity. Previous studies have investigated how the heart's electrical and mechanical activities are related…

Signal Processing · Electrical Eng. & Systems 2020-08-25 Seyedeh Somayyeh Mousavi , Mostafa Charmi , Mohammad Firouzmand , Mohammad Hemmati , Maryam Moghadam , Yadollah Ghorbani

The decoding of electroencephalography (EEG) signals allows access to user intentions conveniently, which plays an important role in the fields of human-machine interaction. To effectively extract sufficient characteristics of the…

Human-Computer Interaction · Computer Science 2024-09-06 Hongqi Li , Haodong Zhang , Yitong Chen

Deep learning models for atrial fibrillation (AF) detection are increasingly trained on heterogeneous electrocardiogram (ECG) datasets with varying sampling frequencies, yet the specific consequences of these discrepancies on model…

The extraction of brain functioning features is a crucial step in the definition of brain-computer interfaces (BCIs). In the last decade, functional connectivity (FC) estimators have been increasingly explored based on their ability to…

Neurons and Cognition · Quantitative Biology 2019-12-06 Tiziana Cattai , Stefania Colonnese , Marie-Constance Corsi , Danielle S. Bassett , Gaetano Scarano , Fabrizio De Vico Fallani

The various human brain tasks are performed at different locations and time scales. Yet, we discovered the existence of time-invariant (above an essential time scale) partitioning of the brain activity into personal state-specific frequency…

Medical Physics · Physics 2009-11-11 Itai Doron , Eyal Hulata , Itay Baruchi , Vernon L. Towle , Eshel Ben-Jacob

How to effectively and efficiently extract valid and reliable features from high-dimensional electroencephalography (EEG), particularly how to fuse the spatial and temporal dynamic brain information into a better feature representation, is…

Human-Computer Interaction · Computer Science 2021-10-04 Zhen Liang , Rushuang Zhou , Li Zhang , Linling Li , Gan Huang , Zhiguo Zhang , Shin Ishii

The aim of this paper is to design and construct an electroencephalograph (EEG) based brain-controlled wheelchair to provide a communication bridge from the nervous system to the external technical device for people of determination or…

Human-Computer Interaction · Computer Science 2020-01-20 Mariam AlAbboudi , Maitha Majed , Fatima Hassan , Ali Bou Nassif

The brain is a complex system whose understanding enables potentially deeper approaches to mental phenomena. Dynamics of wide classes of complex systems have been satisfactorily described within $q$-statistics, a current generalization of…

Neurons and Cognition · Quantitative Biology 2023-08-15 Dimitri Marques Abramov , Constantino Tsallis , Henrique Santos Lima

The dynamic behavior of scalp potentials (EEG) is apparently due to some combination of global and local processes with important top-down and bottom-up interactions across spatial scales. In treating global mechanisms, we stress the…

Neurons and Cognition · Quantitative Biology 2010-04-27 Lester Ingber , Paul L. Nunez

Resting-state brain networks represent the intrinsic state of the brain during the majority of cognitive and sensorimotor tasks. However, no study has yet presented concise predictors of task-induced vigilance variability from…

Signal Processing · Electrical Eng. & Systems 2019-10-23 Mastaneh Torkamani-Azar , Sumeyra Demir Kanik , Serap Aydin , Mujdat Cetin

The human heart is a complex system exhibiting stochastic nature, as reflected in electrocardiogram (ECG) signals. ECG signal is a weak, non-stationary, and nonlinear signal, which indicates the health of a heart in terms of temporal…

Signal Processing · Electrical Eng. & Systems 2020-02-11 Chiranjit Maji , Pratyay Sengupta , Anandi Batabyal , Hirok Chaudhuri

Assessment of mental workload in real-world conditions is key to ensure the performance of workers executing tasks that demand sustained attention. Previous literature has employed electroencephalography (EEG) to this end despite having…

Machine Learning · Computer Science 2024-10-30 Isabela Albuquerque , João Monteiro , Olivier Rosanne , Abhishek Tiwari , Jean-François Gagnon , Tiago H. Falk

The subject of this work is to check how different types of music affect human emotions. While listening to music, a subjective survey and brain activity measurements were carried out using an EEG helmet. The aim is to demonstrate the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Jelizaveta Jankowska , Bożena Kostek , Fernando Alonso-Fernandez , Prayag Tiwari

The use of Automatic speech recognition (ASR) interfaces have become increasingly popular in daily life for use in interaction and control of electronic devices. The interfaces currently being used are not feasible for a variety of users…

Signal Processing · Electrical Eng. & Systems 2022-03-30 Ayush Tripathi

Early recognition of abnormal rhythms in ECG signals is crucial for monitoring and diagnosing patients' cardiac conditions, increasing the success rate of the treatment. Classifying abnormal rhythms into exact categories is very challenging…

Machine Learning · Computer Science 2019-12-18 Jing Zhang , Jing Tian , Yang Cao , Yuxiang Yang , Xiaobin Xu

Analyzing time series in the frequency domain enables the development of powerful tools for investigating the second-order characteristics of multivariate processes. Parameters like the spectral density matrix and its inverse, the coherence…

Methodology · Statistics 2024-01-19 Jonas Krampe , Efstathios Paparoditis

Targeted electrical stimulation of the brain perturbs neural networks and modulates their rhythmic activity both at the site of stimulation and at remote brain regions. Understanding, or even predicting, this neuromodulatory effect is…

Neurons and Cognition · Quantitative Biology 2021-06-29 Christoforos Papasavvas , Peter Neal Taylor , Yujiang Wang

We investigate the relationship between synchronized muscle activity and tremor time series in (enhanced) physiological tremor by cross-spectral analysis. Special attention is directed to the phase spectrum and its possibilities to clarify…

chao-dyn · Physics 2007-05-23 J. Timmer , M. Lauk , W. Pfleger , G. Deuschl

The electromyography (EMG) signal is the electrical manifestation of a neuromuscular activation that provides access to physiological processes which cause the muscle to generate force and produce movement. Non invasive prostheses use such…

Machine Learning · Computer Science 2015-11-20 Mara Graziani