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Prefrontal direct current stimulation modulates resting EEG and event-related potentials in healthy subjects: A standardized low resolution tomography (sLORETA) study

D. Keeser, F. Padberg, E. Reisinger, O. Pogarell, V. Kirsch, U. Palm, S. Karch, H.-J. Möller, M.A. Nitsche, C. Mulert
2011 NeuroImage  
low resolution tomography (sLORETA).  ...  Prefrontal transcranial direct current stimulation (tDCS) with the anode placed on the left dorsolateral prefrontal cortex (DLPFC) has been reported to enhance working memory in healthy subjects and to  ...  Acknowledgments This study is part of the Ph.D. thesis of Daniel Keeser at the Faculty of Medicine of the Ludwig-Maximilians University of Munich (in preparation). We gratefully acknowledge T.  ... 
doi:10.1016/j.neuroimage.2010.12.004 pmid:21146614 fatcat:aya2phgu5jbedac45q7bqiz5nm

sLORETA and fMRI Detection of Medial Prefrontal Default Network Anomalies in Adult ADHD

Rex Cannon, Cynthia Kerson, Adam Hampshire
2011 Journal of Neurotherapy  
INTRODUCTION This study aimed to determine if the standardized low-resolution electromagnetic tomography (sLORETA) current source density (LCSD) levels in the default mode network (DMN) would correspond  ...  Studies of social stress have also shown a potential modulator role for the left PFC (BA 9 and 10) on the right amygdala (J. Wang et al., 2005) .  ... 
doi:10.1080/10874208.2011.623093 fatcat:uv72nhm5bvcmnnw6lx5u5qxon4

N270 sensitivity to conflict strength and working memory: A combined ERP and sLORETA study

Sébastien Scannella, Jérémie Pariente, Xavier De Boissezon, Evelyne Castel-Lacanal, Nicolas Chauveau, Mickaël Causse, Frédéric Dehais, Josette Pastor
2016 Behavioural Brain Research  
Keywords: N270 Supramodal conflict processing Working memory Executive attention Dorsolateral prefrontal cortex sLORETA a b s t r a c t The event-related potential N270 component is known to be an electrophysiological  ...  In particular, among all studies that have investigated the N270, little or no control of the conflict strength and of the load in working memory have been done leaving a lack in the understanding of this  ...  This study was supported by the Midi-Pyrénées Regional Council grants 05006110, R07054BB, the AXA research fund and DGA-MRIS.  ... 
doi:10.1016/j.bbr.2015.10.014 pmid:26477377 fatcat:v65zmnzu25gqvftjcvitppojoi

TMS by double-cone coil prefrontal stimulation for medication resistant chronic depression: A case report

Sven Vanneste, Jan Ost, Berthold Langguth, Dirk De Ridder
2012 Neurocase  
Along with the clinical improvement eletrophysiological resting state activity changed in the dACC and sgACC in this patient in comparison to a normative group.  ...  Source localized EEG recordings were conducted pre-and post-TMS.  ...  Cortical sources of the EEG rhythms were estimated by standardized low-resolution brain electromagnetic tomography (sLORETA) (Pascual-Marqui, 2002) . sLORETA is a functional imaging technique estimating  ... 
doi:10.1080/13554794.2012.732086 pmid:23058173 fatcat:mxfem5l3ond5dp3yumuqcfu7oi

Changes in brain activation during sedation induced by dexmedetomidine

Won-Ho Kim, Dongrae Cho, Boreom Lee, Jae-Jin Song, Teo Jeon Shin
2017 Journal of International Medical Research  
Methods: We used electroencephalography (EEG) to analyse differences in cerebral cortex activity between the awake and sedated states, using electromagnetic tomography (standardized low resolution electromagnetic  ...  Differences in standardized low resolution cingulate gyrus were found in beta1 frequencies (13) (14) (15) (16) (17) (18) , and in the cuneus at gamma frequencies.  ...  In the current study, we analysed differences in cerebral cortex activity between awake and sedated states induced by DEX, using standardized low resolution electromagnetic tomography (sLORETA). sLORETA  ... 
doi:10.1177/0300060517705477 pmid:28480811 pmcid:PMC5536405 fatcat:ht452ghkjff4feops66dnhp5hy

Altered theta oscillations in resting EEG of fibromyalgia syndrome patients

N. Fallon, Y. Chiu, T. Nurmikko, A. Stancak
2017 European Journal of Pain  
Methods: A 64-channel EEG was recorded at rest in 19 female FM patients and 18 healthy, age-matched, control subjects.  ...  Oscillations in delta, theta, alpha, beta and gamma frequency bands were analysed using Standardised Low-Resolution Brain Electromagnetic Tomography to evaluate sources of spectral activity throughout  ...  Standardized low-resolution brain electromagnetic tomography (sLORETA, Pascual-Marqui, 2002 ) was employed to investigate the spectral power of oscillatory activity throughout the brain in each of six  ... 
doi:10.1002/ejp.1076 pmid:28758313 pmcid:PMC5763419 fatcat:zticlz7usbcmdck4mps6xe4saq

Time Perception through the Processing of Verb Tenses: An ERP study regarding Mental Time Travel [article]

Charalabos Papageorgiou, Anastasios E. Giannopoulos, Athanasios S. Fokas, Paul M. Thompson, Nikolaos C. Kapsalis, Panos Papageorgiou, Xanthi Stachtea, Christos N. Capsalis
2020 bioRxiv   pre-print
To evaluate underlying mechanisms, the evoked frontal late positive potentials (LPP) as well as their cortical sources were analyzed via the standardized low-resolution brain electromagnetic tomography  ...  and right prefrontal areas.  ...  ., Laboratory Teaching Staff at National and Kapodistrian University of Athens, Greece) and Emmanouil A. Kitsonas (Electrical Engineer, Ph.D.  ... 
doi:10.1101/2020.12.23.424164 fatcat:zwqvwx2tq5cxnoerfo3snuat4q

Pathophysiology of refractory obsessive-compulsive disorder

Qingxiao Liu, Bo Tan, Jing Zhou, Zhong Zheng, Ling Li, Yanchun Yang
2017 Medicine  
Standard low-resolution electromagnetic tomography analysis was applied to determine the special areas.  ...  = Diagnostic and Statistical Manual of Mental Disorders, EEG = Electroencephalography, ERN = error-related negativity, ERP = event-related potential, OCD = obsessivecompulsive disorder, OCI-R = Obsessive-Compulsive  ...  = standard low-resolution electromagnetic tomography.  ... 
doi:10.1097/md.0000000000005655 pmid:28072701 pmcid:PMC5228661 fatcat:vbz3m2rgkvd7rhjho6akptj45e

Findings about LORETA Applied to High-Density EEG—A Review

Serena Dattola, Francesco Carlo Morabito, Nadia Mammone, Fabio La Foresta
2020 Electronics  
Source localization consists in solving the so-called EEG inverse problem. Over the years, one of the most employed method for solving it has been LORETA (Low Resolution Electromagnetic Tomography).  ...  In particular, in this review, we focused on the findings about the LORETA family algorithms applied to high-density EEGs (HD-EEGs), used for improving the low spatial resolution deriving from the traditional  ...  Standardized Low Resolution Electromagnetic Tomography (sLORETA) A few years later, the authors of LORETA proposed a new method, called sLORETA, based on the noise normalized current density approach  ... 
doi:10.3390/electronics9040660 doaj:2d5016c346ce4dd79d5bfade99c4be1d fatcat:unnkjbasxjbdfhsz7en5fxxqa4

TMS–EEG Co-Registration in Patients with Mild Cognitive Impairment, Alzheimer's Disease and Other Dementias: A Systematic Review

Raffaele Nardone, Luca Sebastianelli, Viviana Versace, Davide Ferrazzoli, Leopold Saltuari, Eugen Trinka
2021 Brain Sciences  
TMS–EEG studies targeting the motor cortex have revealed a significantly reduced TMS-evoked P30 in AD patients in the temporo-parietal cortex ipsilateral to stimulation side as well as in the contralateral  ...  We performed here a systematic review of the studies employing TMS–EEG co-registration in patients with dementias.  ...  (C) Source localization of the activity occurring during each peak in the GMFP calculated using standardized, low-resolution brain electromagnetic tomography (sLORETA) and plotted on the cortical surface  ... 
doi:10.3390/brainsci11030303 pmid:33673709 fatcat:nbdr6ss6mrez3ilz5tbl4krms4

15th Biennial Meeting of the International Pharmaco-EEG Group (IPEG)

2008 Neuropsychobiology  
This was achieved by applying sLORETA (standardized low resolution brain electromagnetic tomography) to the EEG recordings, thus computing post-synaptic current density at 6239 voxels (5mm resolution)  ...  O6 Effect of Subanesthetic Dose of Ketamine on the Brain Activity in Model of Schizophrenia I: A Standardized Low-Resolution Brain Electromagnetic Tomography (sLORETA) Study M. Brunovsky, J.  ...  Methods: EEG of 40 FE, 37 ARMS subjects and 24 HC were recorded under resting conditions with eyes closed. Fast Fourier Transform was performed. The power spectrum was subdivided into 7 bands.  ... 
doi:10.1159/000201719 fatcat:cofwiswqgbexje7ufpzj7rtqcu

Resilience, Psychological Characteristics, and Resting-state Brain Cortical Activity in Athletes and Non-athletes

Thais Cevada, Alexandre Moreira, Liliane Maria Pereira Vilete, Viola Oertel-Knöchel, Andrea Camaz Deslandes
2020 The Open Sports Sciences Journal  
Moreover, resting-state brain cortical activity was recorded by using an EEG to compute the standardized low-resolution brain electromagnetic tomography (sLORETA) analyses.  ...  a divergent resting-state brain cortical activity from the sedentary group, mainly in prefrontal areas.  ...  sLORETA -Standardized Low-resolution Brain Electromagnetic Tomography sLORETA is a method/program to address the limited spatial resolution of the EEG and to permit a 3-dimensional tomography of electrical  ... 
doi:10.2174/1875399x02013010086 fatcat:fgy7x54ju5fz5gk67shi6tef7m

Allocentric or Craniocentric Representation of Acoustic Space: An Electrotomography Study Using Mismatch Negativity

Christian F. Altmann, Stephan Getzmann, Jörg Lewald, Manuel S. Malmierca
2012 PLoS ONE  
Occasionally, subjects were cued to rotate their heads and a deviant sound burst occurred, that deviated from the preceding standard stimulus either in terms of an allocentric or craniocentric frame of  ...  Distributed source modeling with sLORETA revealed an involvement of lateral superior temporal gyrus and inferior parietal lobule in the underlying neural processes.  ...  Acknowledgments The authors are especially grateful to Claudia Fischer and Ines Mombrei for their help in running the experiments, to Peter Dillmann for preparing parts of the electronic equipment and  ... 
doi:10.1371/journal.pone.0041872 pmid:22848643 pmcid:PMC3407090 fatcat:etbirmd5wbhdxap566af7amgmi

Spontaneous brain activity and EEG microstates. A novel EEG/fMRI analysis approach to explore resting-state networks

F. Musso, J. Brinkmeyer, A. Mobascher, T. Warbrick, G. Winterer
2010 NeuroImage  
Single trial EEGs were segmented with a specific module of the LORETA (low resolution electromagnetic tomography) software package in which microstates are represented as normalized vectors constituted  ...  by scalp electric potentials, i.e., the related 3dimensional distribution of cortical current density in the brain.  ...  We thank Daria Orzechowski, Anja Müller-Reinhartz and Birgitta Sasse for technical assistance.  ... 
doi:10.1016/j.neuroimage.2010.01.093 pmid:20139014 fatcat:ez47rmxfdvafvhnuukruteqnky

Long-range neural activity evoked by premotor cortex stimulation: a TMS/EEG co-registration study

Marco Zanon, Piero P. Battaglini, Joanna Jarmolowska, Gilberto Pizzolato, Pierpaolo Busan
2013 Frontiers in Human Neuroscience  
Twelve healthy volunteers underwent a single-pulse TMS protocol in a resting condition with eyes closed, and the evoked activity, measured by EEG, was compared to a sham condition in a time window ranging  ...  Therefore, neural circuits that are related to premotor cortex have been studied to clarify their connectivity and/or role in different tasks.  ...  Gabriele Garbin and Dr. Veronica Guerra for help and support. We are also grateful to the Reviewers and their suggestions, allowing an increase in the readability of the manuscript.  ... 
doi:10.3389/fnhum.2013.00803 pmid:24324426 pmcid:PMC3839000 fatcat:wmk2zmcixvemjoqmkicsq6xcum
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