Results 131 to 140 of about 72,622 (298)
Topographic Electrophysiological Signatures of fMRI Resting State Networks
PLoS ONE, 2010 fMRI Resting State Networks (RSNs) have gained importance in the present fMRI literature. Although their functional role is unquestioned and their physiological origin is nowadays widely accepted, little is known about their relationship to neuronal activity. The combined recording of EEG and fMRI allows the temporal correlation between fluctuations of
Jann K +4 more
openaire +5 more sources
Movement Disorders, EarlyView.Abstract Background Ultrasound‐based neuromodulation, capable of reaching deep brain areas with high precision, represents cutting‐edge technology in non‐invasive brain stimulation and is investigated as a novel treatment for neurological and psychiatric disorders, including Parkinson's disease (PD).
Eva Matt +14 more
wiley +1 more source
Ultrafast fMRI Detects Age‐Related Changes in Harmonics of Cardiac Pulsations in the Brain at 7 T
Magnetic Resonance in Medicine, EarlyView.ABSTRACT Purpose Aging impacts pulsatility of blood vessels in the brain, reflecting vascular health. Resolving characteristics of cardiac pulsatility requires faster acquisitions than traditional fMRI. An ultrafast fMRI method was developed and applied to sample several harmonics of cardiac pulsations at 7 T.
Charles Marchini +5 more
wiley +1 more source
Scientific Reports, 2017 Although a substantial body of previous functional magnetic resonance imaging (fMRI) studies have revealed different brain responses to external stimuli in chronic cigarette smokers compared with nonsmokers, only a few studies assessed brain spontaneous ...
Chao Wang +8 more
doaj +1 more source
A spatially constrained low-rank matrix factorization for the functional parcellation of the brain
, 2014 We propose a new matrix recovery framework to partition brain activity using time series of resting-state functional Magnetic Resonance Imaging (fMRI). Spatial clusters are obtained with a new low-rank factorization algorithm that offers the ability to ...
Blumensath, T., Benichoux, A.
core
Single‐Shot 2D Radial Echo Planar Imaging for Functional MRI
Magnetic Resonance in Medicine, EarlyView.ABSTRACT Purpose To develop a novel single‐shot radial echo planar imaging (ss‐rEPI) technique for rapid, distortion‐free brain imaging in functional MRI experiments. Methods Radial multi‐gradient echo (radial mGRE) data were acquired on a 3T clinical scanner using a 2D ss‐rEPI readout with small golden‐angle rotations between echoes.
Christoph A. Rettenmeier +4 more
wiley +1 more source
PANAS, oxytocin and resting-state fMRI
, 2020 This study will investigate the effect of intranasal oxytocin (OT) administration on the relationship between affect state and resting-state connectivity on the salience network by using resting-state fMRI data in both young and old adult ...
Kristoffer Månsson +3 more
core +1 more source
Magnetic Resonance in Medicine, EarlyView.ABSTRACT Purpose Cerebrospinal fluid (CSF) flow oscillations have emerged as a potentially important marker related to brain clearance, but their acquisition often relies on specialized imaging MRI sequences. The purpose of this work was to enable quantitative assessment of CSF flow associated with cardiac, respiratory, and low‐frequency cycles using ...
Pontus Söderström +5 more
wiley +1 more source
Magnetic Resonance in Medicine, EarlyView.ABSTRACT Purpose Swallowing involves the precise coordination of muscles and brain areas and can be disrupted in a variety of neurological conditions. Current methods to visualize swallowing cannot examine both the biomechanics and brain activity associated with specific swallowing events.
Bradley P. Sutton +9 more
wiley +1 more source
Resting-State fMRI preprocessing pipeline
, 2020 This project aims to create a high-quality and reproducible pre-processing script for resting state fMRI ...
James Daniel Sexton
core +2 more sources