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Fundamental Dynamical Modes Underlying Human Brain Synchronization
2012
Computational and Mathematical Methods in Medicine
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wake-sleep cycle can be represented by a small number of characteristic dynamic modes. ...
For such high-dimensional data, summary information is required for understanding and modelling the underlying dynamics. ...
Motivated by this study, we investigated the longterm dynamics of human brain synchronization using intracranial recordings of epileptic patients. ...
doi:10.1155/2012/912729
pmid:22811753
pmcid:PMC3395243
fatcat:vpqsnnn3jbaqjiihnhiq4sk5oe
Harmonic brain modes: a unifying framework for linking space and time in brain dynamics
[article]
2017
bioRxiv
pre-print
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), but also enables a new dimension of tools for understanding fundamental principles underlying brain dynamics in different states of consciousness. ...
We define these elementary harmonic brain modes as harmonic modes of structural connectivity; i.e. connectome harmonics, yielding fully synchronous neural activity patterns with different frequency oscillations ...
Linking space and time of brain dynamics via harmonic brain modes The RSNs, i.e. networks of distributed brain regions with synchronized spontaneous oscillations, are revealed by estimating patterns of ...
doi:10.1101/162040
fatcat:hihiyoqpbzcina5axi4acczzmm
Harmonic Brain Modes: A Unifying Framework for Linking Space and Time in Brain Dynamics
2017
The Neuroscientist
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), but also enables a new dimension of tools for understanding fundamental principles underlying brain dynamics in different states of consciousness. ...
We define these elementary harmonic brain modes as harmonic modes of structural connectivity; i.e. connectome harmonics, yielding fully synchronous neural activity patterns with different frequency oscillations ...
) -elementary harmonic brain mode -to brain dynamics. ...
doi:10.1177/1073858417728032
pmid:28863720
fatcat:ll3bahtwxreqbpropmgs7as5jm
Layers of human brain activity: a functional model based on the default mode network and slow oscillations
2015
Frontiers in Human Neuroscience
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Citation: Jerath R and Crawford MW (2015) Layers of human brain activity: a functional model based on the default mode network and slow oscillations. Front. Hum. Neurosci. 9:248. ...
Low-frequency fluctuations (<0.1 Hz) that occur throughout the body may suggest the existence of underlying network dynamics that emerge from intrinsic brain processes. ...
in supporting neural activity and are involved in energy dynamics in the brain. ...
doi:10.3389/fnhum.2015.00248
pmid:25972806
pmcid:PMC4413559
fatcat:5blve5h4lrfhdfbdcgcijszufa
Brain synchronizability, a false friend
[article]
2018
arXiv
pre-print
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Synchronization plays a fundamental role in healthy cognitive and motor function. ...
stability of synchronous states in a dynamical system consisting of many coupled oscillators. ...
refers to a specific synchronization mode, complete synchronization. ...
arXiv:1806.01597v1
fatcat:2hyb4umir5a3rdpa5ymej7tage
Synchronization in the connectome: Metastable oscillatory modes emerge from interactions in the brain spacetime network
[article]
2022
bioRxiv
pre-print
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A rich repertoire of oscillatory signals is detected from human brains with electro- and magnetoencephalography (EEG/MEG). ...
Crucially, we identify a critical regime where metastable oscillatory modes emerge spontaneously in the delta (0.5-4Hz), theta (4-8Hz), alpha (8-13Hz) and beta (13-30Hz) frequency bands from weak synchronization ...
Results
Dynamical regimes of the brain network model The reduced brain network model comprises N=90 dynamical units representing anatomically defined brain areas coupled according to the structural connectome ...
doi:10.1101/2022.01.06.475196
fatcat:jdb24qiobjb43fzlwzwl7h2nei
The Role of the Brain in Conscious Processes: A New Way of Looking at the Neural Correlates of Consciousness
2018
Frontiers in Psychology
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In the introspective operating mode, which goes along with activations of the default mode network, the brain is receptive to the flow of ZPF information states that constitutes the record of conscious ...
Instead, the brain taps into a wider spectrum of ZPF modes and, hence, gains access to an extended phenomenal color palette, resulting in expanded consciousness. ...
SELF-REFERENTIAL CONSCIOUS PROCESSES Complementary to the extroverted, stimulus-oriented operating mode of the brain there is an introspective operating mode FIGURE 1 | Fundamental mechanism underlying ...
doi:10.3389/fpsyg.2018.01346
pmid:30123156
pmcid:PMC6085561
fatcat:qrjoiciqcvb2zikmbsqxbtusme
Cognitive chimera states in human brain networks
2019
Science Advances
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The human brain is a complex dynamical system, and how cognition emerges from spatiotemporal patterns of regional brain activity remains an open question. ...
brain architecture affects brain dynamics and function. ...
Lieberman for the preprocessing of the brain anatomical connectivity data and R. Roy and J. D. Hart for a useful discussion on chimera states. ...
doi:10.1126/sciadv.aau8535
pmid:30949576
pmcid:PMC6447382
fatcat:o4lqufnfuvgbxmksqvsiwrrj3i
Building Blocks for the Development of a Self-Consistent Electromagnetic Field Theory of Consciousness
2021
Frontiers in Human Neuroscience
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In particular, resonant interaction with the ZPF is critical for understanding rapidly forming, long-range coherent activity patterns that are characteristic of brain dynamics. ...
From this perspective, the brain is postulated to function as a resonant oscillator that couples to a specific range of ZPF modes, using these modes as a keyboard for the composition of an enormous variety ...
From this perspective, the ZPF, which is accountable for the coordination of brain areas and the synchronization of brain activity, may be understood as the truly global workspace in which conscious processes ...
doi:10.3389/fnhum.2021.723415
pmid:34650416
pmcid:PMC8505726
fatcat:hlthaboyenexxi3rprqdn5xqi4
Shamanic Cosmology as an Evolutionary Neurocognitive Epistemology
2013
International Journal of Transpersonal Studies
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I have called this common biological response the integrative mode of consciousness based on the associated dynamics of theta brain wave coherence. ...
Spirits have social psychology functions as fundamental representations of the structure of human psychology, a language of intra-psychic dynamics of the self and psychosocial relations with others . ...
doi:10.24972/ijts.2013.32.1.79
fatcat:ewie3ftpfrdzbd6xdzqrtxm5bu
The Dynamical Balance of the Brain at Rest
2010
The Neuroscientist
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Computational studies show that one of such dynamics, the anticorrelation between networks, depends on noise-driven transitions between different multistable cluster synchronization states. ...
The authors review evidence that spontaneous, that is, not stimulus or task driven, activity in the brain at the level of large-scale neural systems is not noise, but orderly and organized in a series ...
all the basic dynamical modes activated in a regular and balanced way. ...
doi:10.1177/1073858409354384
pmid:21196530
pmcid:PMC4139497
fatcat:pztaea734rghpa6eqflqnteesi
Spatiotemporal reorganization of electrical activity in the human brain associated with a timing transition
1999
Experimental Brain Research
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Our results demonstrate qualitative changes in the spatial dynamics of human brain electrical activity associated with a transition in the timing of sensorimotor coordination and suggest that maintenance ...
A second condition in which subjects were instructed to synchronize with the metronome controlled for the effects of movement frequency, since synchronization is known to remain stable across a wide range ...
Research was supported by NIMH grants MH42900 and KO5 MHO1386 and The Human Frontier Science Program. Justine Mayville is a NIMH Fellow (grant MH019116). ...
doi:10.1007/s002210050805
pmid:10480272
fatcat:xcwhhmjd3jf6zavbsjolzo5mw4
Neural Coordination Dynamics of Human Sensorimotor Behavior: A Review
[chapter]
2007
Understanding Complex Systems
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A deeper understanding of human behavior and cognition rests on uncovering how the rich dynamics of human behavioral pattern formation is rooted in underlying brain processes. ...
Using fMRI, Mayville and colleagues (Mayville et al. 2002) sought to determine whether different brain networks underlie the two dominant coordination modes, synchronization and syncopation. ...
doi:10.1007/978-3-540-71512-2_15
fatcat:3fqczyq6ejbeplpzigz2ulxkpm
Integrative Neuroscience
2003
Neuropsychopharmacology
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Most importantly, these findings need to be analyzed and modeled with respect to the fundamental mechanisms underlying these measures. ...
A fundamental impediment to an 'Integrative Neuroscience' is the sense that scientists building models at one particular scale often see that scale as the epicentre of all brain function. ...
ACKNOWLEDGEMENTS
Chris Rennie and all collaborators of The Brain Dynamics Centre and the International Brain Resource Database. ...
doi:10.1038/sj.npp.1300136
pmid:12827137
fatcat:qzf4z5becveppi5agkh62hh6qu
Unifying turbulent dynamics framework distinguishes different brain states
[article]
2021
bioRxiv
pre-print
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Recently, significant advances have been made by identifying the levels of synchronicity of the underlying dynamics of a given brain state. ...
Overall, the current framework demonstrates that different levels of turbulent dynamics are fundamental for describing and differentiating between brain states. ...
Acknowledgements A.E and Y.S.P. are supported by the HBP SGA3 Human Brain Project Specific Grant Agreement 3 (grant agreement no. ...
doi:10.1101/2021.10.14.464380
fatcat:3stbdi3mnfafdnqg7gmv45hjgi
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