Spatiotemporal modeling of brain dynamics using resting-state functional magnetic resonance imaging with Gaussian hidden Markov model

S Chen, J Langley, X Chen, X Hu - Brain connectivity, 2016 - liebertpub.com
Analyzing functional magnetic resonance imaging (fMRI) time courses with dynamic
approaches has generated a great deal of interest because of the additional temporal …

Characterizing and differentiating brain state dynamics via hidden Markov models

J Ou, L Xie, C Jin, X Li, D Zhu, R Jiang, Y Chen… - Brain topography, 2015 - Springer
Functional connectivity measured from resting state fMRI (R-fMRI) data has been widely
used to examine the brain's functional activities and has been recently used to characterize …

[HTML][HTML] Spatiotemporal trajectories in resting-state FMRI revealed by convolutional variational autoencoder

X Zhang, EA Maltbie, SD Keilholz - NeuroImage, 2021 - Elsevier
Recent resting-state fMRI studies have shown that brain activity exhibits temporal variations
in functional connectivity by using various approaches including sliding window correlation …

Modeling brain functional dynamics via hidden Markov models

J Ou, L Xie, P Wang, X Li, D Zhu… - 2013 6th …, 2013 - ieeexplore.ieee.org
Functional connectivities constructed via resting state fMRI (R-fMRI) data have been widely
used to study the brain's functional activities and to characterize the brain's states. However …

Improved state change estimation in dynamic functional connectivity using hidden semi-Markov models

H Shappell, BS Caffo, JJ Pekar, MA Lindquist - NeuroImage, 2019 - Elsevier
The study of functional brain networks has grown rapidly over the past decade. While most
functional connectivity (FC) analyses estimate one static network structure for the entire …

The connectivity domain: Analyzing resting state fMRI data using feature-based data-driven and model-based methods

A Iraji, VD Calhoun, NM Wiseman, E Davoodi-Bojd… - Neuroimage, 2016 - Elsevier
Spontaneous fluctuations of resting state functional MRI (rsfMRI) have been widely used to
understand the macro-connectome of the human brain. However, these fluctuations are not …

A novel hidden Markov approach to studying dynamic functional connectivity states in human neuroimaging

S Hussain, J Langley, AR Seitz, XP Hu… - Brain …, 2023 - liebertpub.com
Introduction: Hidden Markov models (HMMs) are a popular choice to extract and examine
recurring patterns of activity or functional connectivity in neuroimaging data, both in terms of …

Improved dynamic functional connectivity estimation with an alternating hidden Markov model

Z Long, X Liu, Y Niu, H Shang, H Lu, J Zhang… - Cognitive …, 2023 - Springer
Dynamic functional connectivity (DFC) analysis has been widely applied to functional
magnetic resonance imaging (fMRI) data to reveal the time-varying functional interactions …

State-dependent effective connectivity in resting-state fMRI

HJ Park, J Eo, C Pae, J Son, SM Park… - Frontiers in neural …, 2021 - frontiersin.org
The human brain at rest exhibits intrinsic dynamics transitioning among the multiple
metastable states of the inter-regional functional connectivity. Accordingly, the demand for …

Characterization of regional differences in resting-state fMRI with a data-driven network model of brain dynamics

V Sip, M Hashemi, T Dickscheid, K Amunts… - Science …, 2023 - science.org
Model-based data analysis of whole-brain dynamics links the observed data to model
parameters in a network of neural masses. Recently, studies focused on the role of regional …