Noise contributions to the fMRI signal: An overview

TT Liu - NeuroImage, 2016 - Elsevier
The ability to discriminate signal from noise plays a key role in the analysis and
interpretation of functional magnetic resonance imaging (fMRI) measures of brain activity …

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) …

Dynamic resting state fMRI analysis in mice reveals a set of Quasi-Periodic Patterns and illustrates their relationship with the global signal

ME Belloy, M Naeyaert, A Abbas, D Shah, V Vanreusel… - Neuroimage, 2018 - Elsevier
Time-resolved 'dynamic'over whole-period 'static'analysis of low frequency (LF) blood-
oxygen level dependent (BOLD) fluctuations provides many additional insights into the …

The oscillating brain: complex and reliable

XN Zuo, A Di Martino, C Kelly, ZE Shehzad, DG Gee… - Neuroimage, 2010 - Elsevier
The human brain is a complex dynamic system capable of generating a multitude of
oscillatory waves in support of brain function. Using fMRI, we examined the amplitude of …

Toward reliable characterization of functional homogeneity in the human brain: preprocessing, scan duration, imaging resolution and computational space

XN Zuo, T Xu, L Jiang, Z Yang, XY Cao, Y He, YF Zang… - Neuroimage, 2013 - Elsevier
While researchers have extensively characterized functional connectivity between brain
regions, the characterization of functional homogeneity within a region of the brain …

Connectivity gradients in spontaneous brain activity at multiple frequency bands

ZQ Gong, XN Zuo - Cerebral Cortex, 2023 - academic.oup.com
The intrinsic organizational structure of the brain is reflected in spontaneous brain
oscillations. Its functional integration and segregation hierarchy have been discovered in …

A place for time: the spatiotemporal structure of neural dynamics during natural audition

GJ Stephens, CJ Honey… - Journal of …, 2013 - journals.physiology.org
We use functional magnetic resonance imaging (fMRI) to analyze neural responses to
natural auditory stimuli. We characterize the fMRI time series through the shape of the voxel …

Increased amplitude of thalamocortical low-frequency oscillations in patients with migraine

DJ Hodkinson, SL Wilcox, R Veggeberg… - Journal of …, 2016 - Soc Neuroscience
For many years, neurobiological theories have emphasized the importance of neuronal
oscillations in the emergence of brain function. At the same time, clinical studies have shown …

Partitioning of physiological noise signals in the brain with concurrent near-infrared spectroscopy and fMRI

Y Tong, KP Lindsey… - Journal of Cerebral Blood …, 2011 - journals.sagepub.com
The blood–oxygen level dependent (BOLD) signals measured by functional magnetic
resonance imaging (fMRI) are contaminated with noise from various physiological …

Adolescent alcohol exposure decreases frontostriatal resting‐state functional connectivity in adulthood

MA Broadwater, SH Lee, Y Yu, H Zhu… - Addiction …, 2018 - Wiley Online Library
Connectivity of the prefrontal cortex (PFC) matures through adolescence, coinciding with
emergence of adult executive function and top‐down inhibitory control over behavior …