Endless fluctuations: temporal dynamics of the amplitude of low frequency fluctuations

W Liao, J Li, GJ Ji, GR Wu, Z Long, Q Xu… - … on Medical Imaging, 2019 - ieeexplore.ieee.org
Intrinsic neural activity ubiquitously persists in all physiological states. However, how
intrinsic brain activity (iBA) changes over a short time remains unknown. To uncover the …

Broadband electrophysiological dynamics contribute to global resting-state fMRI signal

H Wen, Z Liu - Journal of Neuroscience, 2016 - Soc Neuroscience
Spontaneous activity observed with resting-state fMRI is used widely to uncover the brain's
intrinsic functional networks in health and disease. Although many networks appear modular …

Organization of propagated intrinsic brain activity in individual humans

RV Raut, A Mitra, S Marek, M Ortega, AZ Snyder… - Cerebral …, 2020 - academic.oup.com
Abstract Spontaneous infra-slow (< 0.1 Hz) fluctuations in functional magnetic resonance
imaging (fMRI) signals are temporally correlated within large-scale functional brain …

Infra-slow EEG fluctuations are correlated with resting-state network dynamics in fMRI

T Hiltunen, J Kantola, A Abou Elseoud… - Journal of …, 2014 - Soc Neuroscience
Ongoing neuronal activity in the CNS waxes and wanes continuously across widespread
spatial and temporal scales. In the human brain, these spontaneous fluctuations are salient …

Neuronal cascades shape whole-brain functional dynamics at rest

G Rabuffo, J Fousek, C Bernard, V Jirsa - Eneuro, 2021 - eneuro.org
At rest, mammalian brains display remarkable spatiotemporal complexity, evolving through
recurrent functional connectivity (FC) states on a slow timescale of the order of tens of …

[HTML][HTML] Concurrent EEG-and fMRI-derived functional connectomes exhibit linked dynamics

J Wirsich, AL Giraud, S Sadaghiani - NeuroImage, 2020 - Elsevier
Long-range connectivity has become the most studied feature of human functional Magnetic
Resonance Imaging (fMRI), yet the spatial and temporal relationship between its whole …

Alpha oscillations reduce temporal long-range dependence in spontaneous human brain activity

R Becker, D Van De Ville… - Journal of …, 2018 - Soc Neuroscience
Ongoing neural dynamics comprise both frequency-specific oscillations and broadband-
features, such as long-range dependence (LRD). Despite both being behaviorally relevant …

Stability of low-frequency fluctuation amplitudes in prolonged resting-state fMRI

M Küblböck, M Woletz, A Höflich, R Sladky, GS Kranz… - Neuroimage, 2014 - Elsevier
The (fractional) amplitudes of low-frequency fluctuations (f) ALFF are popular measures for
the magnitude of low-frequency oscillations in resting-state fMRI (R-fMRI) data. Both …

Interhemispheric correlations of slow spontaneous neuronal fluctuations revealed in human sensory cortex

Y Nir, R Mukamel, I Dinstein, E Privman, M Harel… - Nature …, 2008 - nature.com
Animal studies have shown robust electrophysiological activity in the sensory cortex in the
absence of stimuli or tasks. Similarly, recent human functional magnetic resonance imaging …

Large-scale spontaneous fluctuations and correlations in brain electrical activity observed with magnetoencephalography

Z Liu, M Fukunaga, JA de Zwart, JH Duyn - Neuroimage, 2010 - Elsevier
Knowledge about the intrinsic functional architecture of the human brain has been greatly
expanded by the extensive use of resting-state functional magnetic resonance imaging …