Topological filtering of dynamic functional brain networks unfolds informative chronnectomics: a novel data-driven thresholding scheme based on orthogonal minimal …

SI Dimitriadis, C Salis, I Tarnanas… - Frontiers in …, 2017 - frontiersin.org
The human brain is a large-scale system of functionally connected brain regions. This
system can be modeled as a network, or graph, by dividing the brain into a set of regions, or …

A novel biomarker of amnestic MCI based on dynamic cross-frequency coupling patterns during cognitive brain responses

SI Dimitriadis, NA Laskaris, MP Bitzidou… - Frontiers in …, 2015 - frontiersin.org
The detection of mild cognitive impairment (MCI), the transitional stage between normal
cognitive changes of aging and the cognitive decline caused by AD, is of paramount clinical …

Cognitive workload assessment based on the tensorial treatment of EEG estimates of cross-frequency phase interactions

SI Dimitriadis, YU Sun, K Kwok, NA Laskaris… - Annals of biomedical …, 2015 - Springer
The decoding of conscious experience, based on non-invasive measurements, has become
feasible by tailoring machine learning techniques to analyse neuroimaging data. Recently …

Altered cross-frequency coupling in resting-state MEG after mild traumatic brain injury

M Antonakakis, SI Dimitriadis, M Zervakis… - International Journal of …, 2016 - Elsevier
Cross-frequency coupling (CFC) is thought to represent a basic mechanism of functional
integration of neural networks across distant brain regions. In this study, we analyzed CFC …

EEG microstate sequences from different clustering algorithms are information-theoretically invariant

F Von Wegner, P Knaut, H Laufs - Frontiers in computational …, 2018 - frontiersin.org
We analyse statistical and information-theoretical properties of EEG microstate sequences,
as seen through the lens of five different clustering algorithms. Microstate sequences are …

A tensor decomposition-based approach for detecting dynamic network states from EEG

AG Mahyari, DM Zoltowski, EM Bernat… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Functional connectivity (FC), defined as the statistical dependency between distinct brain
regions, has been an important tool in understanding cognitive brain processes. Most of the …

Temporal segmentation of EEG based on functional connectivity network structure

Z Xu, S Tang, C Liu, Q Zhang, H Gu, X Li, Z Di, Z Li - Scientific Reports, 2023 - nature.com
In the study of brain functional connectivity networks, it is assumed that a network is built
from a data window in which activity is stationary. However, brain activity is non-stationary …

Reliability of static and dynamic network metrics in the resting-state: A MEG-beamformed connectivity analysis

SI Dimitriadis, B Routley, DE Linden… - Frontiers in …, 2018 - frontiersin.org
The resting activity of the brain can be described by so-called intrinsic connectivity networks
(ICNs), which consist of spatially and temporally distributed, but functionally connected …

Recursive tensor subspace tracking for dynamic brain network analysis

A Ozdemir, EM Bernat… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Recent years have seen a rapid growth in computational methods for a better understanding
of functional connectivity brain networks constructed from neuroimaging data. Most of the …

Mining time-resolved functional brain graphs to an EEG-based chronnectomic brain aged index (CBAI)

SI Dimitriadis, CI Salis - Frontiers in human neuroscience, 2017 - frontiersin.org
The brain at rest consists of spatially and temporal distributed but functionally connected
regions that called intrinsic connectivity networks (ICNs). Resting state …