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Investigating Nuisance Effects Induced in EEG During tACS Application

Romain Holzmann, Judith Koppehele-Gossel, Ursula Voss, Ansgar Klimke
2021 Frontiers in Human Neuroscience  
Transcranial alternating-current stimulation (tACS) in the frequency range of 1–100 Hz has come to be used routinely in electroencephalogram (EEG) studies of brain function through entrainment of neuronal  ...  EEG data recorded during the stimulation.  ...  ACKNOWLEDGMENTS We thank Maria Ruse for her help in data acquisition.  ... 
doi:10.3389/fnhum.2021.637080 pmid:34122026 pmcid:PMC8193977 fatcat:vxtrije4p5gfdcndgnvkxfh7eq

Entrainment of Brain Oscillations by Transcranial Alternating Current Stimulation

Randolph F. Helfrich, Till R. Schneider, Stefan Rach, Sina A. Trautmann-Lengsfeld, Andreas K. Engel, Christoph S. Herrmann
2014 Current Biology  
Results In order to study the immediate electrophysiological effects of transcranial alternating current stimulation (tACS), we analyzed simultaneously recorded electroencephalogram (EEG) in 14 participants  ...  Retrieval of EEG Activity and ERP Components We pioneered a novel approach for artifact removal (Supplemental Experimental Procedures available online) to remove the tACS artifact, which ideally would  ...  Acknowledgments The authors would like to thank Johannes Vosskuhl for help with participant recruitment and data acquisition.  ... 
doi:10.1016/j.cub.2013.12.041 pmid:24461998 fatcat:2v3to5avzbgztkbpxu5yoi44ju

Comb filters for the removal of transcranial current stimulation artifacts from single channel EEG recordings

Robert Guggenberger, Alireza Gharabaghi
2021 Current Directions in Biomedical Engineering  
The combination of transcranial alternating current stimulation (tACS) and electroencephalogram (EEG) for mobile and home-based interventions offers the potential for control and adaptation of stimulation  ...  At any given time point t, the recording r(t) is a superposition of a neurophysiological signal n(t), the stimulation artifact a(t) and noise e(t).  ...  Introduction The combination of transcranial alternating current stimulation (tACS) and electroencephalogram (EEG) has been explored in several recent studies.  ... 
doi:10.1515/cdbme-2021-2097 fatcat:ddzpkilnu5h6demhvye2zeudxu

Frequency analysis of electroencephalogram recorded from a bottlenose dolphin (Tursiops truncatus) with a novel method during transportation by truck

Fuyuko Hashio, Shinichi Tamura, Yasunori Okada, Shigeru Morimoto, Mitsuaki Ohta, Naoyuki Uchida
2010 Journal of Physiological Sciences  
In order to obtain information regarding the correlation between an electroencephalogram (EEG) and the state of a dolphin, we developed a noninvasive recording method of EEG of a bottlenose dolphin (Tursiops  ...  The frequency detected in the EEG of dolphin during apparent awakening was divided conveniently into three bands (5-15, 15-25, and 25-40 Hz) based on spectrum profiles.  ...  Open Access This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided  ... 
doi:10.1007/s12576-010-0090-2 pmid:20429047 pmcid:PMC2887934 fatcat:ze7t75mubfg6lgmjxkkrrzm4ce

Cochlear Implant Artifact Rejection In Electrically Evoked Auditory Steady State Responses

Hanne Deprez, Michael Hofmann, M. Moonen, Astrid van Wieringen, Jan Wouters
2014 Zenodo  
Publication in the conference proceedings of EUSIPCO, Lisbon, Portugal, 2014  ...  When compared to established methods for the response detection in the presence of stimulation artifacts, electrophysiological thresholds were similar while only requiring recordings for one modulation  ...  These artifacts contain a component at the modulation frequency [9] and must therefore be removed prior to response detection.  ... 
doi:10.5281/zenodo.43973 fatcat:gtvsp56mvvgrhgk3pasa67rlsa

A compact electroencephalogram recording device with integrated audio stimulation system

Antti K. O. Paukkunen, Anttu A. Kurttio, Miika M. Leminen, Raimo E. Sepponen
2010 Review of Scientific Instruments  
Review of Scientific Instruments, 81(6):064301, A compact ͑96ϫ 128ϫ 32 mm 3 , 374 g͒, battery-powered, eight-channel electroencephalogram recording device with an integrated audio stimulation system and  ...  A compact EEG recording device with integrated audio stimulation system.  ...  The work was supported in part by the Graduate School of Electrical and Communications Engineering and Society of Electronics Engineers.  ... 
doi:10.1063/1.3436634 pmid:20590254 fatcat:uaom5r5omrbanfaymkpyp5fby4

Surgical Hand Gesture Recognition Utilizing Electroencephalogram as Input to the Machine Learning and Network Neuroscience Algorithms

Somayeh B Shafiei, Mohammad Durrani, Zhe Jing, Michael Mostowy, Philippa Doherty, Ahmed A Hussein, Ahmed S Elsayed, Umar Iqbal, Khurshid Guru
2021 Sensors  
We aimed to extract features from electroencephalogram (EEG) data and use them in machine learning algorithms to classify robot-assisted surgical gestures.  ...  Surgical gestures detection can provide targeted, automated surgical skill assessment and feedback during surgical training for robot-assisted surgery (RAS).  ...  Authors would like to thank Arun Menon and Naif Aldhaam from Urology department at Roswell Park Comprehensive Cancer Center for participation in the study.  ... 
doi:10.3390/s21051733 pmid:33802372 pmcid:PMC7959280 fatcat:nsss6nrtlfgjzep6jpkjldcbbi

Novel Computational Tools in Biosignal Processing

Gaoxiang Ouyang, Tania Stathaki, Hak-Keung Lam, Jing Li, Zhaojie Ju
2015 The Scientific World Journal  
Acknowledgments The guest editors would like to thank the authors for their excellent contributions and the reviewers for their help in improving the papers.  ...  Boudet et al. proposes a dual adaptive filtering by optimal projection (DAFOP) method to automatically remove artifacts on EEG recordings.  ...  The paper titled "Detection of Burst Suppression Patterns in EEG Using Recurrence Rate" by Z.  ... 
doi:10.1155/2015/984702 pmid:25969838 pmcid:PMC4417600 fatcat:ufzzqijwv5cgdivrj5iclbhrgq

Design and Implementation ofReal-time Electrical Stimulation Artifact Suppression based on STM32

Sangsoo Park, Hojun Yeom
2021 Turkish Journal of Computer and Mathematics Education  
This paper describes a system design that removes electrical stimulation artifact in real time using a Cortex-M4-based STM32F processor.  ...  However, it is necessary to remove the electrical stimulation artifact caused by the electrical stimulation.  ...  Experiments and Results The EMG signal was obtained from a SEMG electrode attached to the subject's arm and the recorded EMG signal is fed directly to a filtering circuit where all unwanted artifacts are  ... 
doi:10.17762/turcomat.v12i5.982 fatcat:dgmxzi53dfga7pvovf6m6yqvpi

An Improved EEG De-noising Approach in Electroencephalogram (EEG) for Home Care

Hong Peng, Bin Hu, Yanbing Qi, Qinglin Zhao, Martyn Ratcliffe
2011 Proceedings of the 5th International ICST Conference on Pervasive Computing Technologies for Healthcare  
In home environments without the supervision of a physician and absence of electromagnetic shielding, the raw EEG data, especially the most important alpha rhythm, which can be used to detect the mental  ...  In this paper, the raw data is processed in two steps: step one is a pre-process to remove DC adrift and 50/60Hz AC.  ...  As there are many noises and interferences when subjects record EEG in houses, it's necessary to remove the noises, especially Ocular Artifacts (OA), 50/60Hz AC, DC adrift and so on.  ... 
doi:10.4108/icst.pervasivehealth.2011.246021 dblp:conf/ph/PengHQZR11 fatcat:yg3b7p7uxnfddl5zar2nmdejka

Subspace-Based Suppression of Cortical Stimulation Artifacts

Po. T. Wang, Colin M. McCrimmon, Payam Heydari, An. H. Do, Zoran Nenadic
2018 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)  
In this article, we propose a novel subspace-based method for the removal of cortical electrical stimulation artifacts.  ...  Bi-directional brain-computer interfaces for the restoration of movement and sensation must simultaneously record neural signals and deliver cortical stimulation.  ...  In this article we propose a straightforward method for the removal of stimulation artifacts from recorded neural data.  ... 
doi:10.1109/embc.2018.8512809 pmid:30440897 fatcat:7tjnxvouyrgexnwmqerhh6pkee

Comparison of Relative α-Power Spectral Electroencephalogram Activity Analysis According to Electrical Stimulation Levels in Normal Adults

Hee-Kyung Jin Sung-Hyoun Cho
2015 Journal of Psychiatry  
Objective: To investigate the effect of interferential current (IFC) stimulation level on electroencephalogram (EEG) activation.  ...  Results: After IFC stimulation, subjects in each group showed significant differences in terms of the retention time of relative alpha power from each brain region and between-group interaction effects  ...  Conflict of Interests The authors declare that there are no conflicts of interest regarding the publication of this article.  ... 
doi:10.4172/2378-5756.1000308 fatcat:sbtxm4ouqfb4dltw7mgixamv6y

Transcranial Alternating Current Stimulation with Sawtooth Waves: Simultaneous Stimulation and EEG Recording

James Dowsett, Christoph S. Herrmann
2016 Frontiers in Human Neuroscience  
An additional advantage of sawtooth waves is that the resulting artifact in the electroencephalogram (EEG) recording is significantly simpler to remove than a sine wave; accordingly we were able to observe  ...  In addition we tested for an after-effect of both sawtooth and sinusoidal stimulation on alpha power but in this case did not find any significant effect.  ...  An additional advantage of sawtooth waves is that the resulting artifact in the electroencephalogram (EEG) recording is significantly simpler to remove than a sine wave; accordingly we were able to observe  ... 
doi:10.3389/fnhum.2016.00135 pmid:27065835 pmcid:PMC4809871 fatcat:hnoc6r4vqjdvzahgh6mx6wd4aq

Closed-loop stimulation of hypoglossal nerve in a dog model of upper airway obstruction

M. Sahin, D.H. Durand, M.A. Haxhiu
2000 IEEE Transactions on Biomedical Engineering  
As an advantage, the method uses a single electrode for both recording and stimulation of the HG nerve.  ...  In this paper, we test the hypothesis that the activity of the HG nerve can be used as a feedback signal for closed-loop stimulation of the HG nerve in an animal model of UAW obstruction where a force  ...  Erokwu for helping with tissue fixation; and Dr. J. J. Struijk for commenting on the manuscript.  ... 
doi:10.1109/10.846686 pmid:10916263 fatcat:k5x7mk6tqvcite36oeik6lks34

Determination of Ocular Artifacts in the Clinical EEG Software by a Peripheral Device

Joanna Górecka, Andrzej Biedka
2021 Electronics  
In order to increase the accuracy of the detection of eye movements during EEG examination, additional electrooculogram channels (electrooculography, EOG) with a standard PC keyboard are used.  ...  The occurrence of physiological artifacts generated by eye movements in electrical brain activity (electroencephalography, EEG) is a well-known problem in clinical practice.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics10020108 fatcat:jx2ebgcp2nasdkabndk57kzfem
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