Low frequency systemic hemodynamic “noise” in resting state BOLD fMRI: characteristics, causes, implications, mitigation strategies, and applications

Y Tong, LM Hocke, BB Frederick - Frontiers in neuroscience, 2019 - frontiersin.org
Advances in functional magnetic resonance imaging (fMRI) acquisition have improved
signal to noise to the point where the physiology of the subject is the dominant noise source …

Resting state fMRI: Going through the motions

S Maknojia, NW Churchill, TA Schweizer… - Frontiers in …, 2019 - frontiersin.org
Resting state functional magnetic resonance imaging (rs-fMRI) has become an
indispensable tool in neuroscience research. Despite this, rs-fMRI signals are easily …

Sources and implications of whole-brain fMRI signals in humans

JD Power, M Plitt, TO Laumann, A Martin - Neuroimage, 2017 - Elsevier
Whole-brain fMRI signals are a subject of intense interest: variance in the global fMRI signal
(the spatial mean of all signals in the brain) indexes subject arousal, and psychiatric …

Subcortical evidence for a contribution of arousal to fMRI studies of brain activity

X Liu, JA De Zwart, ML Schölvinck, C Chang… - Nature …, 2018 - nature.com
Cortical activity during periods of rest is punctuated by widespread, synchronous events in
both electrophysiological and hemodynamic signals, but their behavioral relevance remains …

The global signal in fMRI: Nuisance or Information?

TT Liu, A Nalci, M Falahpour - Neuroimage, 2017 - Elsevier
The global signal is widely used as a regressor or normalization factor for removing the
effects of global variations in the analysis of functional magnetic resonance imaging (fMRI) …

Network localization of neurological symptoms from focal brain lesions

AD Boes, S Prasad, H Liu, Q Liu, A Pascual-Leone… - Brain, 2015 - academic.oup.com
A traditional and widely used approach for linking neurological symptoms to specific brain
regions involves identifying overlap in lesion location across patients with similar symptoms …

Using temporal ICA to selectively remove global noise while preserving global signal in functional MRI data

MF Glasser, TS Coalson, JD Bijsterbosch, SJ Harrison… - Neuroimage, 2018 - Elsevier
Temporal fluctuations in functional Magnetic Resonance Imaging (fMRI) have been
profitably used to study brain activity and connectivity for over two decades. Unfortunately …

Reduction of motion-related artifacts in resting state fMRI using aCompCor

J Muschelli, MB Nebel, BS Caffo, AD Barber, JJ Pekar… - Neuroimage, 2014 - Elsevier
Recent studies have illustrated that motion-related artifacts remain in resting-state fMRI (rs-
fMRI) data even after common corrective processing procedures have been applied, but the …

Shared and distinct intrinsic functional network centrality in autism and attention-deficit/hyperactivity disorder

A Di Martino, XN Zuo, C Kelly, R Grzadzinski… - Biological …, 2013 - Elsevier
Background Individuals with autism spectrum disorders (ASD) often exhibit symptoms of
attention-deficit/hyperactivity disorder (ADHD). Across both disorders, observations of …

Resting-state networks link invasive and noninvasive brain stimulation across diverse psychiatric and neurological diseases

MD Fox, RL Buckner, H Liu, MM Chakravarty… - Proceedings of the …, 2014 - pnas.org
Brain stimulation, a therapy increasingly used for neurological and psychiatric disease,
traditionally is divided into invasive approaches, such as deep brain stimulation (DBS), and …