Variability of the relationship between electrophysiology and BOLD-fMRI across cortical regions in humans

CR Conner, TM Ellmore, TA Pieters… - Journal of …, 2011 - Soc Neuroscience
The relationship between blood oxygenation level-dependent (BOLD) functional MRI (fMRI)
signal and the underlying neural electrical activity in humans is a topic of intense interest to …

Studying spontaneous EEG activity with fMRI

A Salek-Haddadi, KJ Friston, L Lemieux, DR Fish - Brain research reviews, 2003 - Elsevier
The multifaceted technological challenge of acquiring simultaneous EEG-correlated fMRI
data has now been met and the potential exists for mapping electrophysiological activity with …

The frequency of alpha oscillations: task-dependent modulation and its functional significance

IBH Samuel, C Wang, Z Hu, M Ding - Neuroimage, 2018 - Elsevier
Power (amplitude) and frequency are two important characteristics of EEG alpha oscillations
(8–12 Hz). There is an extensive literature showing that alpha power can be modulated in a …

Correlation between BOLD fMRI and theta-band local field potentials in the human hippocampal area

A Ekstrom, N Suthana, D Millett… - Journal of …, 2009 - journals.physiology.org
The relation between the blood-oxygen-level-dependent (BOLD) signal, which forms the
basis of functional magnetic resonance imaging (fMRI), and underlying neural activity is not …

Combined EEG and fMRI studies of human brain function

V Menon, S Crottaz‐Herbette - International review of neurobiology, 2005 - Elsevier
Understanding the neural basis of brain functioning requires knowledge about the spatial
and temporal aspects of information processing. Functional magnetic resonance imaging …

Simultaneous EEG/functional magnetic resonance imaging at 4 Tesla: correlates of brain activity to spontaneous alpha rhythm during relaxation

MW DiFrancesco, SK Holland… - Journal of Clinical …, 2008 - journals.lww.com
Simultaneous EEG and functional magnetic resonance imaging have been applied to the
study of brain states associated with alpha waves using a magnetic field strength of 1.5 …

The relationship between MEG and fMRI

EL Hall, SE Robson, PG Morris, MJ Brookes - Neuroimage, 2014 - Elsevier
In recent years functional neuroimaging techniques such as fMRI, MEG, EEG and PET have
provided researchers with a wealth of information on human brain function. However none …

Do gamma oscillations play a role in cerebral cortex?

S Ray, JHR Maunsell - Trends in cognitive sciences, 2015 - cell.com
Gamma rhythm (which has a center frequency between 30 and 80Hz) is modulated by
cognitive mechanisms such as attention and memory, and has been hypothesized to play a …

Endogenous brain oscillations and related networks detected by surface EEG‐combined fMRI

H Laufs - Human brain mapping, 2008 - Wiley Online Library
It is difficult to study the brain “at rest” with an approach generally pursued in science when
external manipulation (independent variable) is used to obtain informative measurements …

Neuronal dynamics underlying high-and low-frequency EEG oscillations contribute independently to the human BOLD signal

R Scheeringa, P Fries, KM Petersson, R Oostenveld… - Neuron, 2011 - cell.com
Work on animals indicates that BOLD is preferentially sensitive to local field potentials, and
that it correlates most strongly with gamma band neuronal synchronization. Here we …