Criticality in the brain: A synthesis of neurobiology, models and cognition

L Cocchi, LL Gollo, A Zalesky, M Breakspear - Progress in neurobiology, 2017‏ - Elsevier
Cognitive function requires the coordination of neural activity across many scales, from
neurons and circuits to large-scale networks. As such, it is unlikely that an explanatory …

Opposite effects of dopamine and serotonin on resting-state networks: review and implications for psychiatric disorders

B Conio, M Martino, P Magioncalda, A Escelsior… - Molecular …, 2020‏ - nature.com
Alterations in brain intrinsic activity—as organized in resting-state networks (RSNs) such as
sensorimotor network (SMN), salience network (SN), and default-mode network (DMN) …

[HTML][HTML] Benchmarking of participant-level confound regression strategies for the control of motion artifact in studies of functional connectivity

R Ciric, DH Wolf, JD Power, DR Roalf, GL Baum… - Neuroimage, 2017‏ - Elsevier
Since initial reports regarding the impact of motion artifact on measures of functional
connectivity, there has been a proliferation of participant-level confound regression methods …

Global signal regression strengthens association between resting-state functional connectivity and behavior

J Li, R Kong, R Liégeois, C Orban, Y Tan, N Sun… - NeuroImage, 2019‏ - Elsevier
Global signal regression (GSR) is one of the most debated preprocessing strategies for
resting-state functional MRI. GSR effectively removes global artifacts driven by motion and …

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 …

[HTML][HTML] Hierarchical heterogeneity across human cortex shapes large-scale neural dynamics

M Demirtaş, JB Burt, M Helmer, JL Ji, BD Adkinson… - Neuron, 2019‏ - cell.com
The large-scale organization of dynamical neural activity across cortex emerges through
long-range interactions among local circuits. We hypothesized that large-scale dynamics are …

Mitigating head motion artifact in functional connectivity MRI

R Ciric, AFG Rosen, G Erus, M Cieslak, A Adebimpe… - Nature protocols, 2018‏ - nature.com
Participant motion during functional magnetic resonance image (fMRI) acquisition produces
spurious signal fluctuations that can confound measures of functional connectivity. Without …

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) …