Buscar
Mostrando ítems 1-10 de 1790
Revisiting nonlinear functional brain co-activations: Directed, dynamic, and delayed
(Frontiers Media, 2021-10-12)
The center stage of neuro-imaging is currently occupied by studies of functional correlations between brain regions. These correlations define the brain functional networks, which are the most frequently used framework to ...
On wakefulness fluctuations as a source of BOLD functional connectivity dynamics
(Nature Publishing Group, 2017-07)
Human brain dynamics and functional connectivity fluctuate over a range of temporal scales in coordination with internal states and environmental demands. However, the neurobiological significance and consequences of ...
A big-world network in ASD: Dynamical connectivity analysis reflects a deficit in long-range connections and an excess of short-range connections
(Pergamon-Elsevier Science Ltd, 2011-11)
Over the last years, increasing evidence has fuelled the hypothesis that Autism Spectrum Disorder (ASD) is a condition of altered brain functional connectivity. The great majority of these empirical studies relies on ...
Dysconnectivity in Schizophrenia Revisited: Abnormal Temporal Organization of Dynamic Functional Connectivity in Patients With a First Episode of Psychosis
(2022)
Background and hypothesis: Abnormal functional connectivity between brain regions is a consistent finding in schizophrenia, including functional magnetic resonance imaging (fMRI) studies. Recent studies have highlighted ...
Structure-function relationship in biophysically inspired small world networks
(Universidad de Valparaíso, 2021)
ABSTRACT
How behavior arises from the neural activity observed in the brain is one of the main questions
in neuroscience. In the resting state, synchronized and highly stable activity has been found in
coordinated brain ...
Some Connections Between Individual And Collective Dynamics
(2018)
The concepts of chaos and complex dynamics have been studied exhaustively during several decades, not only due to the intrinsic richness of this theory, but also due to its many applications for modeling and solving real ...
EEG functional connectivity metrics wPLI and wSMI account for distinct types of brain functional interactions.
The weighted Phase Lag Index (wPLI) and the weighted Symbolic Mutual Information (wSMI) represent two robust and widely used methods for MEG/EEG functional connectivity estimation. Interestingly, both methods have been ...
EEG functional connectivity metrics wPLI and wSMI account for distinct types of brain functional interactions.
The weighted Phase Lag Index (wPLI) and the weighted Symbolic Mutual Information (wSMI) represent two robust and widely used methods for MEG/EEG functional connectivity estimation. Interestingly, both methods have been ...
Dynamic functional connectivity and brain metastability during altered states of consciousness
(Academic Press Inc Elsevier Science, 2018-10)
The scientific study of human consciousness has greatly benefited from the development of non-invasive brain imaging methods. The quest to identify the neural correlates of consciousness combined psychophysical experimentation ...