Event-related EEG/MEG synchronization and desynchronization: basic principles

G Pfurtscheller, FHL Da Silva - Clinical neurophysiology, 1999 - Elsevier
An internally or externally paced event results not only in the generation of an event-related
potential (ERP) but also in a change in the ongoing EEG/MEG in form of an event-related …

EEG coherency: I: statistics, reference electrode, volume conduction, Laplacians, cortical imaging, and interpretation at multiple scales

PL Nunez, R Srinivasan, AF Westdorp… - Electroencephalography …, 1997 - Elsevier
Several methodological issues which impact experimental design and physiological
interpretations in EEG coherence studies are considered, including reference electrode and …

Spherical splines for scalp potential and current density mapping

F Perrin, J Pernier, O Bertrand, JF Echallier - … and clinical neurophysiology, 1989 - Elsevier
Abstract Description of mapping methods using spherical splines, both to interpolate scalp
potentials (SPs), and to approximate scalp current densities (SCDs). Compared to a …

Spatial sampling of head electrical fields: the geodesic sensor net

DM Tucker - Electroencephalography and clinical neurophysiology, 1993 - Elsevier
In studying brain electrical activity from scalp sensors (electrodes), the optimal measurement
would sample the potential field over the entire surface of the braincase, with a sufficient …

Brain generators implicated in the processing of auditory stimulus deviance: a topographic event‐related potential study

MH Giard, F Perrin, J Pernier, P Bouchet - Psychophysiology, 1990 - Wiley Online Library
The neurophysiological mechanisms underlying mismatch negativity (MMN) can be inferred
from an examination of some of the brain generators involved in the process of this event …

Guidelines for the recording and quantitative analysis of electroencephalographic activity in research contexts

RT Pivik, RJ Broughton, R Coppola… - …, 1993 - Wiley Online Library
Developments in technologic and analytical procedures applied to the study of brain
electrical activity have intensified interest in this modality as a means of examining brain …

[HTML][HTML] On the benefits of using surface Laplacian (current source density) methodology in electrophysiology

J Kayser, CE Tenke - … of psychophysiology: official journal of the …, 2015 - ncbi.nlm.nih.gov
The surface Laplacian (SL), also commonly referred to as current source density (CSD) or
scalp current density (SCD), collectively denotes a group of mathematical algorithms that …

Issues and considerations for using the scalp surface Laplacian in EEG/ERP research: A tutorial review

J Kayser, CE Tenke - International Journal of Psychophysiology, 2015 - Elsevier
Despite the recognition that the surface Laplacian may counteract adverse effects of volume
conduction and recording reference for surface potential data, electrophysiology as a …

Spatial patterns underlying population differences in the background EEG

ZJ Koles, MS Lazar, SZ Zhou - Brain topography, 1990 - Springer
A method is described which can be used to extract common spatial patterns underlying the
EEGs from two human populations. These spatial patterns account, in the least-squares …

EEG and MEG coherence: measures of functional connectivity at distinct spatial scales of neocortical dynamics

R Srinivasan, WR Winter, J Ding, PL Nunez - Journal of neuroscience …, 2007 - Elsevier
We contrasted coherence estimates obtained with EEG, Laplacian, and MEG measures of
synaptic activity using simulations with head models and simultaneous recordings of EEG …