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The fluctuation properties of the human electroencephalogram (EEG) time series are studied using detrended fluctuation analysis. For all 128 channels in each of 18 subjects studied, it is found that the standard deviation of the…

Biological Physics · Physics 2009-11-07 Rudolph C. Hwa , Thomas C. Ferree

Electroencephalography (EEG) plays a significant role in the Brain Computer Interface (BCI) domain, due to its non-invasive nature, low cost, and ease of use, making it a highly desirable option for widespread adoption by the general…

Signal Processing · Electrical Eng. & Systems 2023-03-13 Giulio Tosato , Cesare M. Dalbagno , Francesco Fumagalli

The prospect of future treatment warrants the development of cost-effective screening for Alzheimer's disease (AD). A promising candidate in this regard is electroencephalography (EEG), as it is one of the most economic imaging modalities.…

Signal Processing · Electrical Eng. & Systems 2024-05-01 Stephan Goerttler , Fei He , Min Wu

In this paper, we analyze electroencephalograms (EEG) which are recordings of brain electrical activity. We develop new clustering methods for identifying synchronized brain regions, where the EEGs show similar oscillations or waveforms…

Methodology · Statistics 2020-07-29 Tianbo Chen , Ying Sun , Carolina Euan , Hernando Ombao

Single-channel electroencephalogram (EEG) is a cost-effective, comfortable, and non-invasive method for monitoring brain activity, widely adopted by researchers, consumers, and clinicians. The increasing number and proportion of articles on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Yueyang Li , Weiming Zeng , Wenhao Dong , Di Han , Lei Chen , Hongyu Chen , Zijian Kang , Shengyu Gong , Hongjie Yan , Wai Ting Siok , Nizhuan Wang

At present, people usually use some methods based on convolutional neural networks (CNNs) for Electroencephalograph (EEG) decoding. However, CNNs have limitations in perceiving global dependencies, which is not adequate for common EEG…

Signal Processing · Electrical Eng. & Systems 2021-06-23 Yonghao Song , Xueyu Jia , Lie Yang , Longhan Xie

Electroencephalogram (EEG) signals are frequently used in brain-computer interfaces (BCIs), but they are easily contaminated by artifacts and noises, so preprocessing must be done before they are fed into a machine learning algorithm for…

Machine Learning · Computer Science 2020-03-31 Dongrui Wu , Jung-Tai King , Chun-Hsiang Chuang , Chin-Teng Lin , Tzyy-Ping Jung

The electroencephalogram (EEG) offers a non-invasive means by which a listener's auditory system may be monitored during continuous speech perception. Reliable auditory-EEG decoders could facilitate the objective diagnosis of hearing…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-18 Mike Thornton , Danilo Mandic , Tobias Reichenbach

Recent microscopy imaging techniques allow to precisely analyze cell morphology in 3D image data. To process the vast amount of image data generated by current digitized imaging techniques, automated approaches are demanded more than ever.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Dennis Eschweiler , Malte Rethwisch , Simon Koppers , Johannes Stegmaier

Identifying abnormal patterns in electroencephalography (EEG) remains the cornerstone of diagnosing several neurological diseases. The current clinical EEG review process relies heavily on expert visual review, which is unscalable and…

Signal Processing · Electrical Eng. & Systems 2023-02-07 Teja Gupta , Neeraj Wagh , Samarth Rawal , Brent Berry , Gregory Worrell , Yogatheesan Varatharajah

During speech perception, a listener's electroencephalogram (EEG) reflects acoustic-level processing as well as higher-level cognitive factors such as speech comprehension and attention. However, decoding speech from EEG recordings is…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Mike Thornton , Danilo Mandic , Tobias Reichenbach

Electroencephalography (EEG) monitors ---by either intrusive or noninvasive electrodes--- time and frequency variations and spectral content of voltage fluctuations or waves, known as brain rhythms, which in some way uncover activity during…

Neurons and Cognition · Quantitative Biology 2019-03-13 Javier A. Galadí , Joaquín J. Torres , J. Marro

Current studies about motor imagery based rehabilitation training systems for stroke subjects lack an appropriate analytic method, which can achieve a considerable classification accuracy, at the same time detects gradual changes of imagery…

Machine Learning · Statistics 2014-09-19 Hao Zhang , Liqing Zhang

In this article, we present a space-frequency theory for spherical harmonics based on the spectral decomposition of a particular space-frequency operator. The presented theory is closely linked to the theory of ultraspherical polynomials on…

Numerical Analysis · Mathematics 2013-07-16 Wolfgang Erb , Sonja Mathias

Electroencephalography (EEG) serves as an effective diagnostic tool for mental disorders and neurological abnormalities. Enhanced analysis and classification of EEG signals can help improve detection performance. A new approach is examined…

Signal Processing · Electrical Eng. & Systems 2020-02-11 Lubna Shibly Mokatren , Rashid Ansari , Ahmet Enis Cetin , Alex D Leow , Heide Klumpp , Olusola Ajilore , Fatos Yarman Vural

Classification of electroencephalogram (EEG) and electrocorticogram (ECoG) signals obtained during motor imagery (MI) has substantial application potential, including for communication assistance and rehabilitation support for patients with…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Shuntaro Suzuki , Shunya Nagashima , Masayuki Hirata , Komei Sugiura

Emotion Recognition from EEG signals has long been researched as it can assist numerous medical and rehabilitative applications. However, their complex and noisy structure has proven to be a serious barrier for traditional modeling methods.…

Signal Processing · Electrical Eng. & Systems 2021-12-15 Kleanthis Avramidis , Athanasia Zlatintsi , Christos Garoufis , Petros Maragos

Covert speech involves imagining speaking without audible sound or any movements. Decoding covert speech from electroencephalogram (EEG) is challenging due to a limited understanding of neural pronunciation mapping and the low…

This is the second of a series of three papers that present a methodology with the aim of creating a set of maps of the coronal density over a period of many years. This paper describes a method for reconstructing the coronal electron…

Solar and Stellar Astrophysics · Physics 2019-08-22 Huw Morgan

Data fusion refers to the joint analysis of multiple datasets which provide complementary views of the same task. In this preprint, the problem of jointly analyzing electroencephalography (EEG) and functional Magnetic Resonance Imaging…

Signal Processing · Electrical Eng. & Systems 2020-05-15 Christos Chatzichristos , Eleftherios Kofidis , Lieven De Lathauwer , Sergios Theodoridis , Sabine Van Huffel