Changes in EEG multiscale entropy and power‐law frequency scaling during the human sleep cycle

V Miskovic, KJ MacDonald, LJ Rhodes… - Human brain …, 2019 - Wiley Online Library
We explored changes in multiscale brain signal complexity and power‐law scaling
exponents of electroencephalogram (EEG) frequency spectra across several distinct global …

Dynamic expression of brain functional systems disclosed by fine-scale analysis of edge time series

O Sporns, J Faskowitz, AS Teixeira, SA Cutts… - Network …, 2021 - direct.mit.edu
Functional connectivity (FC) describes the statistical dependence between neuronal
populations or brain regions in resting-state fMRI studies and is commonly estimated as the …

On the relationship between instantaneous phase synchrony and correlation-based sliding windows for time-resolved fMRI connectivity analysis

M Pedersen, A Omidvarnia, A Zalesky, GD Jackson - Neuroimage, 2018 - Elsevier
Correlation-based sliding window analysis (CSWA) is the most commonly used method to
estimate time-resolved functional MRI (fMRI) connectivity. However, instantaneous phase …

[HTML][HTML] Dynamic synergetic configurations of resting-state networks in ADHD

N Kaboodvand, B Iravani, P Fransson - Neuroimage, 2020 - Elsevier
Attention deficit hyperactivity disorder (ADHD) is characterized by high distractibility and
impaired executive functions. Notably, there is mounting evidence suggesting that ADHD …

Range entropy: A bridge between signal complexity and self-similarity

A Omidvarnia, M Mesbah, M Pedersen, G Jackson - Entropy, 2018 - mdpi.com
Approximate entropy (ApEn) and sample entropy (SampEn) are widely used for temporal
complexity analysis of real-world phenomena. However, their relationship with the Hurst …

[HTML][HTML] Evaluating phase synchronization methods in fMRI: A comparison study and new approaches

H Honari, AS Choe, MA Lindquist - NeuroImage, 2021 - Elsevier
In recent years there has been growing interest in measuring time-varying functional
connectivity between different brain regions using resting-state functional magnetic …

The brain's “dark energy” puzzle: How strongly is glucose metabolism linked to resting-state brain activity?

T Volpi, E Silvestri, M Aiello, JJ Lee… - Journal of Cerebral …, 2024 - journals.sagepub.com
Brain glucose metabolism, which can be investigated at the macroscale level with [18F] FDG
PET, displays significant regional variability for reasons that remain unclear. Some of the …

[HTML][HTML] Cortical maturation from childhood to adolescence is reflected in resting state EEG signal complexity

S van Noordt, T Willoughby - Developmental cognitive neuroscience, 2021 - Elsevier
Endogenous cortical fluctuations captured by electroencephalograms (EEGs) reflect activity
in large-scale brain networks that exhibit dynamic patterns over multiple time scales …

[HTML][HTML] Temporal complexity of fMRI is reproducible and correlates with higher order cognition

A Omidvarnia, A Zalesky, D Van De Ville, GD Jackson… - NeuroImage, 2021 - Elsevier
It has been hypothesized that resting state networks (RSNs), extracted from resting state
functional magnetic resonance imaging (rsfMRI), likely display unique temporal complexity …

Increased brain entropy of resting-state fMRI mediates the relationship between depression severity and mental health-related quality of life in late-life depressed …

C Lin, SH Lee, CM Huang, GY Chen, PS Ho… - Journal of affective …, 2019 - Elsevier
Background Entropy analysis is a computational method used to quantify the complexity in a
system, and loss of brain complexity is hypothesized to be related to mental disorders. Here …